Photo: Michael Conroy / Associated Press Image 1 of / 125 Caption Close

Image 2 of 125 Rice defensive back Phillip Gaines runs a drill. Rice defensive back Phillip Gaines runs a drill. Photo: Michael Conroy / Associated Press

Image 3 of 125 Rice defensive back Phillip Gaines runs the 40-yard dash at the NFL football scouting combine in Indianapolis on Tuesday. Rice defensive back Phillip Gaines runs the 40-yard dash at the NFL football scouting combine in Indianapolis on Tuesday. Photo: Nam Y. Huh / Associated Press

Image 4 of 125 Oklahoma State defensive back Justin Gilbert makes a catch as runs a drill. Oklahoma State defensive back Justin Gilbert makes a catch as runs a drill. Photo: Michael Conroy / Associated Press

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Image 6 of 125 Oklahoma State defensive back Justin Gilbert runs the 40-yard dash. Oklahoma State defensive back Justin Gilbert runs the 40-yard dash. Photo: Nam Y. Huh / Associated Press

Image 7 of 125 Alabama defensive back Ha Ha Clinton-Dix makes a catch during a drill. Alabama defensive back Ha Ha Clinton-Dix makes a catch during a drill. Photo: Michael Conroy / Associated Press

Image 8 of 125 Ohio State defensive back Bradley Roby makes a catch as he runs a drill. Ohio State defensive back Bradley Roby makes a catch as he runs a drill. Photo: Michael Conroy) / Associated Press

Image 9 of 125 Texas Christian defensive back Jason Verrett warms up at the NFL football combine on Tuesday. Texas Christian defensive back Jason Verrett warms up at the NFL football combine on Tuesday. Photo: Michael Conroy / Associated Press

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Image 11 of 125 North Carolina defensive back Tre Boston runs a drill at the NFL football scouting combine in Indianapolis, Tuesday, Feb. 25, 2014. (AP Photo/Michael Conroy) North Carolina defensive back Tre Boston runs a drill at the NFL football scouting combine in Indianapolis, Tuesday, Feb. 25, 2014. (AP Photo/Michael Conroy) Photo: Michael Conroy / Associated Press

Image 12 of 125 Baylor defensive back Demetri Goodson runs the 40-yard dash. Baylor defensive back Demetri Goodson runs the 40-yard dash. Photo: Nam Y. Huh / Associated Press

Image 13 of 125 Georgia Southern defensive back Lavelle Westbrooks runs the 40-yard dash. Georgia Southern defensive back Lavelle Westbrooks runs the 40-yard dash. Photo: Nam Y. Huh / Associated Press

Image 14 of 125 Purdue defensive back Ricardo Allen runs a drill. Purdue defensive back Ricardo Allen runs a drill. Photo: Michael Conroy / Associated Press

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Image 16 of 125 Michigan State defensive back Darqueze Dennard runs the 40-yard dash. Michigan State defensive back Darqueze Dennard runs the 40-yard dash. Photo: Nam Y. Huh / Associated Press

Image 17 of 125 Florida State defensive back Terrence Brooks runs a drill at the NFL football scouting combine in Indianapolis, Tuesday, Feb. 25, 2014. (AP Photo/Michael Conroy) Florida State defensive back Terrence Brooks runs a drill at the NFL football scouting combine in Indianapolis, Tuesday, Feb. 25, 2014. (AP Photo/Michael Conroy) Photo: Michael Conroy / Associated Press

Image 18 of 125 Florida defensive back Marcus Roberson makes a catch as he runs a drill. Florida defensive back Marcus Roberson makes a catch as he runs a drill. Photo: Michael Conroy / Associated Press

Image 19 of 125 San Diego State defensive back Nat Berhe catches a ball during a drill. San Diego State defensive back Nat Berhe catches a ball during a drill. Photo: Nam Y. Huh / Associated Press

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Image 21 of 125 Northwest Missouri State defensive back Brandon Dixon makes a catch as he runs a drill. Northwest Missouri State defensive back Brandon Dixon makes a catch as he runs a drill. Photo: Michael Conroy / Associated Press

Image 22 of 125 Oklahoma defensive back Aaron Colvin looks to the field. Oklahoma defensive back Aaron Colvin looks to the field. Photo: Nam Y. Huh / Associated Press

Image 23 of 125 Western Kentucky defensive back Jonathan Dowling stretches on the field. Western Kentucky defensive back Jonathan Dowling stretches on the field. Photo: Nam Y. Huh / Associated Press

Image 24 of 125 Lindenwood defensive back Pierre Desir stretches on the field. Lindenwood defensive back Pierre Desir stretches on the field. Photo: Nam Y. Huh / Associated Press

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Image 26 of 125 Former South Carolina defensive lineman Jadeveon Clowney runs the 40-yard dash. Former South Carolina defensive lineman Jadeveon Clowney runs the 40-yard dash. Photo: Joe Robbins / Getty Images

Image 27 of 125 South Carolina defensive lineman Jadeveon Clowney runs the 40-yard dash. South Carolina defensive lineman Jadeveon Clowney runs the 40-yard dash. Photo: Nam Y. Huh / Associated Press

Image 28 of 125 Former South Carolina defensive lineman Jadeveon Clowney takes part in the broad jump. Former South Carolina defensive lineman Jadeveon Clowney takes part in the broad jump. Photo: Joe Robbins / Getty Images

Image 29 of 125 South Carolina defensive lineman Jadeveon Clowney runs a drill. South Carolina defensive lineman Jadeveon Clowney runs a drill. Photo: Michael Conroy / Associated Press

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Image 31 of 125 South Carolina defensive lineman Jadeveon Clowney, left, jokes with Florida State defensive lineman Timmy Jernigan. South Carolina defensive lineman Jadeveon Clowney, left, jokes with Florida State defensive lineman Timmy Jernigan. Photo: Michael Conroy / Associated Press

Image 32 of 125 South Carolina defensive lineman Jadeveon Clowney runs a drill. South Carolina defensive lineman Jadeveon Clowney runs a drill. Photo: Michael Conroy / Associated Press

Image 33 of 125 Former Missouri defensive lineman Michael Sam runs the 40-yard dash. Former Missouri defensive lineman Michael Sam runs the 40-yard dash. Photo: Joe Robbins / Getty Images

Image 34 of 125 Missouri defensive lineman Michael Sam runs the 40-yard dash. Missouri defensive lineman Michael Sam runs the 40-yard dash. Photo: Nam Y. Huh / Associated Press

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Image 36 of 125 Missouri defensive lineman Michael Sam takes part in the broad jump. Missouri defensive lineman Michael Sam takes part in the broad jump. Photo: Nam Y. Huh / Associated Press

Image 37 of 125 Missouri defensive lineman Michael Sam runs a drill. Missouri defensive lineman Michael Sam runs a drill. Photo: Nam Y. Huh / Associated Press

Image 38 of 125 Missouri defensive lineman Michael Sam runs a drill. Missouri defensive lineman Michael Sam runs a drill. Photo: Michael Conroy / Associated Press

Image 39 of 125 Missouri defensive lineman Michael Sam reaches during a vertical leap attempt. Missouri defensive lineman Michael Sam reaches during a vertical leap attempt. Photo: Nam Y. Huh / Associated Press

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Image 41 of 125 UCLA linebacker Anthony Barr runs the 40-yard dash. UCLA linebacker Anthony Barr runs the 40-yard dash. Photo: Joe Robbins / Getty Images

Image 42 of 125 Texas defensive lineman Jackson Jeffcoat runs a drill. Texas defensive lineman Jackson Jeffcoat runs a drill. Photo: Michael Conroy / Associated Press

Image 43 of 125 Florida State defensive lineman Timmy Jernigan runs a drill. Florida State defensive lineman Timmy Jernigan runs a drill. Photo: Michael Conroy / Associated Press

Image 44 of 125 Penn State defensive lineman Daquan Jones stretches on the field. Penn State defensive lineman Daquan Jones stretches on the field. Photo: Nam Y. Huh / Associated Press

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Image 46 of 125 Iowa State linebacker Jeremiah George stretches on the field. Iowa State linebacker Jeremiah George stretches on the field. Photo: Nam Y. Huh / Associated Press

Image 47 of 125 Buffalo linebacker Khalil Mack makes a catch as he runs a drill. Buffalo linebacker Khalil Mack makes a catch as he runs a drill. Photo: Michael Conroy / Associated Press

Image 48 of 125 Arizona State defensive lineman Will Sutton runs a drill. Arizona State defensive lineman Will Sutton runs a drill. Photo: Michael Conroy / Associated Press

Image 49 of 125 Notre Dame linebacker Prince Shembo attempts a broad jump. Notre Dame linebacker Prince Shembo attempts a broad jump. Photo: Nam Y. Huh / Associated Press

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Image 51 of 125 Former Texas A&M quarterback Johnny Manziel runs the 40-yard dash at the NFL combine. His unofficial time was 4.56 seconds. Former Texas A&M quarterback Johnny Manziel runs the 40-yard dash at the NFL combine. His unofficial time was 4.56 seconds. Photo: Michael Conroy / Associated Press

Image 52 of 125 Former Texas A&M quarterback Johnny Manziel loosens up before taking part in drills at the NFL combine. Former Texas A&M quarterback Johnny Manziel loosens up before taking part in drills at the NFL combine. Photo: Michael Conroy / Associated Press

Image 53 of 125 Johnny Manziel warms up. Johnny Manziel warms up. Photo: Michael Conroy / Associated Press

Image 54 of 125 Former Texas A&M quarterback Johnny Manziel takes part in the vertical jump. Former Texas A&M quarterback Johnny Manziel takes part in the vertical jump. Photo: Joe Robbins / Getty Images

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Image 56 of 125 Former Texas A&M quarterback Johnny Manziel takes part in the broad jump. Former Texas A&M quarterback Johnny Manziel takes part in the broad jump. Photo: Joe Robbins / Getty Images

Image 57 of 125 Former Louisville quarterback Teddy Bridgewater, former Fresno State quarterback Derek Carr and former Texas A&M quarterback Johnny Manziel look on during NFL combine drills. Former Louisville quarterback Teddy Bridgewater, former Fresno State quarterback Derek Carr and former Texas A&M quarterback Johnny Manziel look on during NFL combine drills. Photo: Michael Conroy / Associated Press

Image 58 of 125 Former Louisville quarterback Teddy Bridgewater, former Fresno State quarterback Derek Carr and former Texas A&M quarterback Johnny Manziel look on during NFL combine drills. Former Louisville quarterback Teddy Bridgewater, former Fresno State quarterback Derek Carr and former Texas A&M quarterback Johnny Manziel look on during NFL combine drills. Photo: Joe Robbins / Getty Images

Image 59 of 125 Former Texas A&M quarterback Johnny Manziel looks on during the NFL combine. Former Texas A&M quarterback Johnny Manziel looks on during the NFL combine. Photo: Joe Robbins / Getty Images

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Image 61 of 125 Miami quarterback Stephen Morris throws during a drill. Miami quarterback Stephen Morris throws during a drill. Photo: Michael Conroy / Associated Press

Image 62 of 125 Georgia quarterback Aaron Murray throws during a drill. Georgia quarterback Aaron Murray throws during a drill. Photo: Michael Conroy / Associated Press

Image 63 of 125 Alabama quarterback AJ McCarron warms up. Alabama quarterback AJ McCarron warms up. Photo: Michael Conroy / Associated Press

Image 64 of 125 Virginia Tech quarterback Logan Thomas throws during a drill. Virginia Tech quarterback Logan Thomas throws during a drill. Photo: Michael Conroy / Associated Press

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Image 66 of 125 West Texas A&M quarterback Dustin Vaughan throws during a drill. West Texas A&M quarterback Dustin Vaughan throws during a drill. Photo: Michael Conroy / Associated Press

Image 67 of 125 Pittsburgh quarterback Tom Savage throws during a drill. Pittsburgh quarterback Tom Savage throws during a drill. Photo: Michael Conroy / Associated Press

Image 68 of 125 South Carolina quarterback Connor Shaw throws during a drill. South Carolina quarterback Connor Shaw throws during a drill. Photo: Michael Conroy / Associated Press

Image 69 of 125 Former Fresno State quarterback Derek Carr runs the 40-yard dash. Former Fresno State quarterback Derek Carr runs the 40-yard dash. Photo: Michael Conroy / Associated Press

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Image 71 of 125 Central Florida quarterback Blake Bortles throws during a drill. Central Florida quarterback Blake Bortles throws during a drill. Photo: Michael Conroy / Asssociated Press

Image 72 of 125 Eastern Illinois quarterback Jimmy Garoppolo throws during a drill. Eastern Illinois quarterback Jimmy Garoppolo throws during a drill. Photo: Michael Conroy / Associated Press

Image 73 of 125 San Jose State quarterback David Fales throws during a drill. San Jose State quarterback David Fales throws during a drill. Photo: Michael Conroy / Associated Press

Image 74 of 125 Clemson quarterback Tajh Boyd throws during a drill Clemson quarterback Tajh Boyd throws during a drill Photo: Michael Conroy / Associated Press

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Image 76 of 125 Northern Illinois quarterback Jordan Lynch throws during a drill Northern Illinois quarterback Jordan Lynch throws during a drill Photo: Michael Conroy / Associated Press

Image 77 of 125 Texas A&M wide receiver Mike Evans makes a catch as he runs a drill Texas A&M wide receiver Mike Evans makes a catch as he runs a drill Photo: Associated Press

Image 78 of 125 Nebraska wide receiver Quincy Enunwa reacts as he runs the 40-yard dash. Nebraska wide receiver Quincy Enunwa reacts as he runs the 40-yard dash. Photo: Nam Y. Huh / Associated Press

Image 79 of 125 Quarterback prospects Teddy Bridgewater, right, talks with Blake Bortles. Quarterback prospects Teddy Bridgewater, right, talks with Blake Bortles. Photo: Michael Conroy / Associated Press

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Image 81 of 125 Former Louisville quarterback Teddy Bridgewater sits on a bench before taking part in drills at the NFL combine. Former Louisville quarterback Teddy Bridgewater sits on a bench before taking part in drills at the NFL combine. Photo: Michael Conroy / Associated Press

Image 82 of 125 Former South Carolina defensive lineman Jadeveon Clowney speaks to the media during the NFL combine. Former South Carolina defensive lineman Jadeveon Clowney speaks to the media during the NFL combine. Photo: Joe Robbins / Getty Images

Image 83 of 125 Former Missouri defensive lineman Michael Sam speaks to the media during the NFL combine. Former Missouri defensive lineman Michael Sam speaks to the media during the NFL combine. Photo: Joe Robbins / Getty Images

Image 84 of 125 Former Lousiville quarterback Teddy Bridgewater speaks to the media during the NFL combine. Former Lousiville quarterback Teddy Bridgewater speaks to the media during the NFL combine. Photo: Joe Robbins / Getty Images

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Image 86 of 125 Former Auburn offensive lineman Greg Robinson during a drill at the combine. Former Auburn offensive lineman Greg Robinson during a drill at the combine. Photo: Michael Conroy / Associated Press

Image 87 of 125 Former Texas Tech tight end Jace Amaro during a drill at the NFL combine. Former Texas Tech tight end Jace Amaro during a drill at the NFL combine. Photo: Michael Conroy / Associated Press

Image 88 of 125 Former Texas A&M offensive lineman Jake Matthews runs the 40-yard dash at the NFL combine. Former Texas A&M offensive lineman Jake Matthews runs the 40-yard dash at the NFL combine. Photo: Nam Y. Huh / Associated Press

Image 89 of 125 Former Texas A&M offensive lineman Jake Matthews runs the 40-yard dash at the NFL combine. Former Texas A&M offensive lineman Jake Matthews runs the 40-yard dash at the NFL combine. Photo: Joe Robbins / Getty Images

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Image 91 of 125 Former Texas A&M offensive lineman Jake Matthews stretches before running the 40-yard dash at the NFL combine. Former Texas A&M offensive lineman Jake Matthews stretches before running the 40-yard dash at the NFL combine. Photo: Joe Robbins / Getty Images

Image 92 of 125 Former Baylor offensive lineman Cyril Richardson runs the 40-yard dash at the NFL combine. Former Baylor offensive lineman Cyril Richardson runs the 40-yard dash at the NFL combine. Photo: Nam Y. Huh / Associated Press

Image 93 of 125 Former Stanford offensive lineman Cameron Fleming runs the 40-yard dash at the NFL combine. Former Stanford offensive lineman Cameron Fleming runs the 40-yard dash at the NFL combine. Photo: Nam Y. Huh / Associated Press

Image 94 of 125 Former Miami offensive lineman Seantrel Henderson (right) runs a blocking drill with former Florida offensive lineman Jonotthan Harrison Former Miami offensive lineman Seantrel Henderson (right) runs a blocking drill with former Florida offensive lineman Jonotthan Harrison Photo: Joe Robbins / Getty Images

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Image 96 of 125 Former Notre Dame tight end Troy Niklas takes part in the broad jump at the NFL combine. Former Notre Dame tight end Troy Niklas takes part in the broad jump at the NFL combine. Photo: Joe Robbins / Getty Images

Image 97 of 125 Former Auburn offensive lineman Joe Robbins takes part in the vertical jump at the NFL combine. Former Auburn offensive lineman Joe Robbins takes part in the vertical jump at the NFL combine. Photo: Joe Robbins / Getty Images

Image 98 of 125 Former Grand Valley State offensive lineman Matt Armstrong runs the 40-yard dash at the NFL combine. Former Grand Valley State offensive lineman Matt Armstrong runs the 40-yard dash at the NFL combine. Photo: Nam Y. Huh / Associated Press

Image 99 of 125 Former Florida offensive lineman Jon Halapio runs the 40-yard dash at the NFL combine. Former Florida offensive lineman Jon Halapio runs the 40-yard dash at the NFL combine. Photo: Nam Y. Huh / Associated Press

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Image 101 of 125 Former Vanderbilt offensive lineman Wesley Johnson runs the 40-yard dash at the NFL combine.. Former Vanderbilt offensive lineman Wesley Johnson runs the 40-yard dash at the NFL combine.. Photo: Nam Y. Huh / Associated Press

Image 102 of 125 Former Wisconsin offensive lineman Ryan Groy runs the 40-yard dash at the NFL combine. Former Wisconsin offensive lineman Ryan Groy runs the 40-yard dash at the NFL combine. Photo: Nam Y. Huh / Associated Press

Image 103 of 125 Former Clemson offensive lineman Brandon Thomas runs the 40-yard dash at the NFL combine. Former Clemson offensive lineman Brandon Thomas runs the 40-yard dash at the NFL combine. Photo: Nam Y. Huh / Associated Press

Image 104 of 125 Former Stanford offensive lineman David Yankey runs the 40-yard dash at the NFL combine. Former Stanford offensive lineman David Yankey runs the 40-yard dash at the NFL combine. Photo: Nam Y. Huh / Associated Press

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Image 106 of 125 Former LSU offensive lineman Trai Turner runs the 40-yard dash at the NFL combine. Former LSU offensive lineman Trai Turner runs the 40-yard dash at the NFL combine. Photo: Nam Y. Huh / Associated Press

Image 107 of 125 Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Photo: Joe Robbins / Getty Images

Image 108 of 125 Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Photo: Michael Conroy / Associated Press

Image 109 of 125 Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Photo: Michael Conroy / Associated Press

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Image 111 of 125 Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Photo: Michael Conroy / Associated Press

Image 112 of 125 Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Former Texas A&M quarterback Johnny Manziel speaks to the media at the NFL combine. Photo: Michael Conroy / Associated Press

Image 113 of 125 Texans head coach Bill O'Brien speaks with the media at the NFL combine. Texans head coach Bill O'Brien speaks with the media at the NFL combine. Photo: Michael Conroy / Associated Press

Image 114 of 125 Texans head coach Bill O'Brien speaks with the media at the NFL combine. Texans head coach Bill O'Brien speaks with the media at the NFL combine. Photo: Joe Robbins / Getty Images

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Image 116 of 125 Former Central Florida quarterback Blake Bortles speaks to the media at the NFL combine. Former Central Florida quarterback Blake Bortles speaks to the media at the NFL combine. Photo: Joe Robbins / Getty Images

Image 117 of 125 Former Central Florida quarterback Blake Bortles speaks to the media at the NFL combine. Former Central Florida quarterback Blake Bortles speaks to the media at the NFL combine. Photo: Michael Conroy / Associated Press

Image 118 of 125 Former Fresno State quarterback Derek Carr speaks to the media at the NFL combine. Former Fresno State quarterback Derek Carr speaks to the media at the NFL combine. Photo: Joe Robbins / Getty Images

Image 119 of 125 Former Alabama quarterback A.J. McCarron speaks to the media. Former Alabama quarterback A.J. McCarron speaks to the media. Photo: Joe Robbins / Getty Images

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Image 121 of 125 Louisiana State wide receiver Odell Beckham answers a question. Louisiana State wide receiver Odell Beckham answers a question. Photo: Michael Conroy / Associated Press

Image 122 of 125 Ohio State running back Carlos Hyde answers a question. Ohio State running back Carlos Hyde answers a question. Photo: Michael Conroy / Associated Press

Image 123 of 125 Northern Illinois quarterback Jordan Lynch answers a question. Northern Illinois quarterback Jordan Lynch answers a question. Photo: Michael Conroy / Associated Press

Image 124 of 125 North Carolina tight end Eric Ebron answers a question. North Carolina tight end Eric Ebron answers a question. Photo: Michael Conroy / Associated Press