Nate Orchard (left) stops Carlos Hyde for a loss. (Joshua Gunter, cleveland.com)

BEREA, Ohio - Tempers flared on Day 13 of practice, but not between two players sick of hitting each other.

It was verbal sparring between Browns offensive coordinator Todd Haley and defensive coordinator Gregg Williams over a defender hitting Baker Mayfield in practice.

Oh, you missed it?

You can bet the Hard Knocks cameras captured the whole thing.

* The Browns' two-minute drills in practice didn't go well for Tyrod Taylor, Baker Mayfield or Drew Stanton. Trailing 13-10 just before the half, none of them could tie the game take a lead into the break.

Taylor's ended with two overthrows and then a missed 41-yard field goal by Zane Gonzalez. Mayfield's ended on a false-start at the opponent's 27 and a 10-second runoff. And Stanton's ended with rookie Denzel Rice picking off a pass deflected by rookie tight end Orson Charles.

* The following players did not practice due to injury: TE Julian Allen (abdomen), DL Caleb Brantley (ankle), DL Trevon Coley (ankle), DL Daniel Ekuale (calf), DL Marcell Frazier (concussion), DB Montreal Meander (concussion), FB Danny Vitale (calf) and OL Kevin Zeitler (calf).

* Veterans getting the day off included Mychal Kendricks, J.C. Tretter and Darren Fells.

* Cornerback Denzel Ward had his ankle stepped on and it's sore. "He just has to keep pushing through,'' said Jackson.

* Zeitler was at least back out on the field working with the trainers for the first time since suffering the injury Aug. 1.

Here are some highlights:

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1. Sparks fly between coordinators

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Combination photo of Cleveland Browns offensive coordinator Todd Haley (L) and defensive coordinator Gregg Williams during training camp where the two exchanged words across the field about hitting the quarterbacks during scrimmage. (John Kuntz, Cleveland.com)

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Children attending training camp on Monday learned a few new words and they all began with F. Todd Haley and Gregg Williams let the f-bombs fly after a defender made forbidden contact with Mayfield. But Jackson likes his coordinators "a little testy. Testy is good. I'm surprised that it's just now getting testy. They're fine. Those things happen.''

Still, Jackson quickly shut down the two fiery coordinators.

"I get to be headmaster,'' he said. "I have the supreme fire.''

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2. Joel Bitonio is still the left tackle

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Cleveland Browns offensive tackle Joel Bitonio blocks defensive tackle Jeremy Faulk . (John Kuntz, Cleveland.com)

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Bitonio isn't off the hook just yet. Although backup left tackle Greg Robinson took some first-team reps at left tackle with Bitonio back home in his comfy left guard slippers, Jackson cautioned not to go getting any funny ideas.

"Bitonio is still our starting left tackle,'' he said. "We just have to keep working combinations and things. It means nothing. It just means that every now and then, I am going to stick Greg out there and make sure that Joel keeps playing some left guard. I told you guys, if we find an answer in house, then great. If we do not, then I feel good about Joel being out there."

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3. Jarvis Landry lobbies for Dez Bryant

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Landry acknowledged that the Browns must make sure Dez Bryant is all about The Land before he lands here for real.

"We're just trying to figure out if he wants to be here then obviously we're open arms and we'd love to have him,'' said Landry. "He'd be a great addition to our team and our offense for sure.''

Bryant will likely either be in the day before or after the Browns' second preseason game Friday night here against the Bills.

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4. John Dorsey schools the tight ends

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Cleveland Browns GM John Dorsey works with tight end Devon Cajuste on trying to hamper is arms as Cajuste takes passes. (John Kuntz, Cleveland.com)

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Dorsey, a former Packers linebacker, rolled his sleeves up and worked with the tight ends after practice, giving them pointers on how defenders will cover them.

Simultaneously, Haley conducted a contest with the QBs to see who could hit the crossbar from near midfield, and he joined in on the throwing. Baker Mayfield won the competition.

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5. Jarvis Landry struggles with the whole day off thing

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Jarvis Landry (left) catches a pass and collides with Damarious Randall. (Joshua Gunter, cleveland.com)

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Landry, who caught a short flip from Taylor over the middle for a TD in goal line drills Monday, gets where Hue Jackson is coming with keeping veterans fresh for the season, but sitting out practice just isn't how he rolls. In fact, they had to take his helmet away to get him to sit down midway through practice one day.

"I know I said it in the receivers' room but it was directed to the whole team,'' he said. "It's going to allow us to create a mindset and a culture. If we're going to change the culture, that's where it's got to begin with. We can't be having favors or taking days off or stuff like that. You gotta practice and put in the work to be great.''

Jackson, who has drastically reduced soft tissue injuries, reminded folks there are just a few guys with a history of injuries that get an occasional day off to stay healthy.

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6. David Njoku's one-handed catch

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A highlight of practice was Njoku's one-handed 20-yard catch from Taylor over safety Jabrill Peppers. Njoku, who plucked the ball off his back hip, has been catching everything since his four-drop day early in camp, including two TDs vs. the Giants.

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Continue scrolling for more photos of camp

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Joshua Gunter, cleveland.com

Cleveland Browns tight end Devon Cajuste makes a catch during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns wide receiver Rashard Higgins is met by Cleveland Browns defensive back Damarious Randall after a catch during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns defensive end Nate Orchard enjoys his son Bo after training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns running back Nick Chubb finds some running room against the defense during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns running back Carlos Hyde tries to spin away from Cleveland Browns defensive back Jabrill Peppers during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns wide receiver Jeff Janis catches a pass against Cleveland Browns defensive back Elijah Campbell during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns quarterback Baker Mayfield prepares to throw during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns quarterback Baker Mayfield looks to throw during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns defensive end Nate Orchard enjoys some time with his family after training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns quarterbacks Tyrod Taylor and Baker Mayfield look to throw during a passing drill during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns tight end David Njoku looks to evade Cleveland Browns linebacker Joe Schobert after a catch during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns wide receiver Rashard Higgins pulls in a pass for a first down during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns quarterback Tyrod Taylor runs out of the pocket during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns tight end David Njoku makes a catch and run for a first down as Cleveland Browns defensive back Damarious Randall comes in for the hit during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns quarterback Baker Mayfield looks to throw in a team drill during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns running back Duke Johnson tries to keep his footing during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns wide receiver Antonio Callaway catches a pass in stride during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns quarterback Tyrod Taylor hands the ball off to Cleveland Browns running back Duke Johnson during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns cornerback Denzel Ward nearly licks off a pass as Cleveland Browns defensive back Damarious Randall reacts behind him during training camp Sunday, August 13, 2018. Joshua Gunter, cleveland.com

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Cleveland Browns defensive end Nate Orchard complains on a refs call in 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns running back Nick Chubb is brought to the ground by linebacker Justin Currie in 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns quarterback Baker Mayfield calls an audible for his receivers in an 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns GM John Dorsey works with tight end Devon Cajuste on trying to hamper is arms as Cajuste takes passes after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns head coach Hue Jackson (L) and defensive coordinator Gregg Williams have some fun with linebacker Mychal Kendricks during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns offensive players look back aat quarterback Tyrod Taylor as he calls a play in 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns defensive end Myles Garrett dives into the tackling pad during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns wide receiver Rashard Higgins pulls down a reception in an 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns quarterback Tyrod Taylor picks up a fumble between the legs of an offensive lineman in 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns head coach Hue Jackson (L) and owner Jimmy Haslam talk during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns defensive end Myles Garrett closes in on quarterback Tyrod Taylor in an 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns rookie quarterbacks Baker Mayfield (L) and Brogan Roback begin to celebrate their team throwing competition with offensive coordinator Todd Haley and the veteran quarterbacks after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns cornerback Denzel Ward covers defensive back Simeon Thomas in line drills during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns defensive end Myles Garrett jumps in a pool of icy water after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns head coach Hue Jackson (R) talks with his quarterback Tyrod Taylor during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns quarterback Tyrod Taylor scampers out of the pocket in an 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns defensive end Myles Garrett talks with quarterback Tyrod Taylor in tema stretching during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns head coach Hue Jackson watches the team stretching period during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns quarterback Baker Mayfield runs through stretching with the team as head coach Hue Jackson watches during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns offensive tackle Joel Bitonio gets ready to block defensive tackle Jeremy Faulk in an 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns offensive coordinator Todd Haley has some fun with quarterbacks Tyrod Taylor (L) and Brogan Roback during a throwing competition that Haley took part in after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns defensive end Myles Garrett jumps in a pool of icy water after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns head coach Hue Jackson (L) and owner Jimmy Haslam talk during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns defensive end Nate Orchard holds up his son, Bo, after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns wide receiver Jeff Janis spends some time with his son and wife after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns quarterback Baker Mayfield throws a pass as tight end Devon Cajuste (R) keeps defensive back T.J. Carrie out of the pocket in 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns head coach Hue Jackson talks with the team after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns defensive tackle Jeremy Faulk dives into the tackling pad during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns tight end David Njoku catches a pass in 11-on-11 scrimmage during training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns tight end David Njoku reacts to missing a pass with teammate tight end Devon Cajuste after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns offensive coordinator Todd Haley reacts to just missing his pass from hitting the post in the field goal upright during a throwing competition with the quarterbacks after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com

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Cleveland Browns quarterback Tyrod Taylor signs autographs after training camp, August 13, 2018, in Berea. John Kuntz, Cleveland.com