The San Francisco 49ers announced the signing of nine undrafted rookie free agents.

The 49ers undrafted rookie free agents are listed below:WR Dres Anderson

6-2, 190Utah

Finished his career ranked fifth in school history with 2,077 rec. yds. In 2014, earned honorable mention Academic All-Pac 12 honors. Started all seven games in which he appeared and recorded 22 recepts. for 355 yds. and 4 TDs. As a junior, named honorable mention All-Pac-12 and Academic All-Pac-12. Played in 12 games and registered 53 recepts. for 1,002 yds. and 7 TDs. In 2012, earned honorable mention Academic All-Pac 12 honors. Played 12 games and led the Utes with 36 recepts. for 365 yds. As a freshman, named honorable mention Academic All-Pac 12. Appeared in all 13 games, finishing second on the team in recepts. (23), receiving yds. (355) and TDs (3). Attended John W. North (Riverside, CA) HS, where he help lead his team to the CIF Division II football championship, as a junior. Born 7/20/92 in Riverside, CA.

WR Issac Blakeney

6-6, 225 Duke

Played in 40 career games (18 starts) and registered 98 recepts. for 1,093 yds. and 12 TDs. In 2014, started all 13 games and notched 47 recepts. for 559 yds. and 7 TDs. As a junior, played in all 14 games and recorded 19 recepts. for 244 yds. and 4 TDs. In 2012, appeared in all 13 games and tallied 32 recepts. for 290 yds. and 1 TD. Was a member of Duke's Track and Field team in the spring of 2014. Lettered two seasons in football at Monroe (NC) HS, helping the team to two state playoff appearances. Earned all-conference and all-county honors, as a senior. Also lettered in track and basketball. In 2010, helped his school win the Division 1A state Basketball championship. Also claimed first place in triple jump and long jump at the 2010 1-A state championship track meet. Born 11/18/92 in Monroe, NC.

WR DiAndre Campbell

6-2, 206 Washington

Appeared in 52 career games as a member of the Huskies and registered 45 recepts. for 440 yds. and 3 TDs. In 2014, played in 14 games (12 starts) and notched a career-high 24 recepts. for 231 yds. and 1 TD. As a junior, played in all 13 games and recorded 3 recepts. for 34 yds. In 2012, appeared in 13 games and recorded 16 recepts. for 167 yds. and 2 TDs. As a freshman, played in 13 games, mainly on special teams. Redshirted in 2010. Earned honorable mention Academic All-Pac-12 honors in back to back years at Washington (2012-13). Earned All-Oakland Athletic League first-team honors at Oakland Tech (CA) HS. Led the Oakland Athletic League in receiving with 28 recepts. for 490 yds. and 10 TDs, as a senior. Played on the East Bay All-Star team in the Holiday Classic All-Star game in Sacramento. Also lettered in track & field and basketball. Born 12/19/91 in Oakland, CA.

WR Darius Davis

5-11, 212 Henderson State

Registered over 1,000 rec. yds. in consecutive seasons (2013-14) where he finished his career as the HSU and Great American Conference record holder for career rec. yds. (3,686) and rec. TDs (47). In 2014, registered 56 recepts. for 1,261 yds. and 18 TDs, while also adding a rushing TD. Reached 100-or-more rec. yds. in six of the team's 11 games. As a junior, set the HSU and GAC single-season record for rec. yds. with 1,597 and earned First-Team All-American honors. Also earned Beyond College Sports All-American Second-Team and First-Team All-GAC honors. In 2012, earned honorable mention All-GAC honors and led the team in average yds. per catch (19.3). Redshirted in 2011. Played in all 11 games (1 start) as a freshman and recorded 20 recepts. for 306 yds. (27.8 avg.) and 4 TDs. Attended Frisco Wakeland (Frisco, TX) HS where he also lettered in track. Born 4/14/90 in Frisco, TX.

OL Patrick Miller

6-7, 289 Auburn

Played in 8 games (6 starts) at right tackle for the Tigers as a junior, in 2014. Helped Auburn rush for 255.5 yds. per game, ranking second in the SEC. Was the returning starter at right tackle in 2013 where he started the first five games. Made nine starts as a true freshman in 2012. Enrolled at Auburn in January of 2012 and participated in spring drills. Attended William T. Dwyer (Palm Beach, FL) HS. Born 3/30/93 in Palm Beach, FL.

DL Marcus Rush

6-3, 251 Michigan State

A four-year letter winner at Michigan State, started a school-record 53 games at defensive end where he registered 163 tackles, including 37.5 TFL 16 passes defensed, 18.5 sacks and added two blocked kicks on special teams. Was an All-Big Ten honorable mention selection in each of his four seasons at MSU. In 2014, started all 13 games at defensive end and registered 37 tackles and a career-high 7.5 sacks. As a junior, 14 games (13 starts) and ranked third on the team with 5.0 sacks. In 2012, registered 38 tackles and 2.0 sacks. As a freshman, was named Big Ten Freshman Defensive MVP by ESPN.com, as he ranked first among Big Ten freshmen in sacks (4.0) and TFL (12). Redshirted in 2010. Received his bachelor's degree in advertising in December of 2014. Attended Archbishop Moeller (Cincinnati, OH) HS where he was selected Great Catholic League South Co-Athlete of the Year after leading the conference in sacks (11), as a senior. Also finished second on the team in tackles (70) and added two interceptions. Born 6/19/91 in Cincinnati, OH.

QB Dylan Thompson

6-3, 218 South Carolina

A team captain for the Gamecocks, set a South Carolina school record and led the SEC with 3,564 passing yds. (274.2 yds. per game avg.), in 2014. Ranked third in the SEC with 26 TD passes, which was the second-highest single-season mark in school history. Also led the conference and set the school record with 270 completions and 451 pass attempts in a season. Was the 2014 Freddie Solomon Community Spirit Award winner. In 2013, played in 10 games (1 start) and threw for 783 yds. and 3 TDs on 52 atts. Also rushed 16 times for 27 yds. and 3 TDs. As a sophomore, played in 11 games (2 starts) and completed 66 passes for 1,027 yds. and 10 TDs. As a freshman, saw action in four games. Redshirted in 2010. Attended Boiling Springs (SC) HS where he was selected to play in the Shrine Bowl of the Carolinas. Threw for 1,300 yds. and rushed for another 500, accounting for 21 TDs in only six games, as a junior. A two-sport athlete, also played basketball where he averaged 17 points, five rebounds and five assists per game. Born 10/25/91 in Boiling Springs, SC.

WR DeAndrew White

6-0, 192 Alabama

Appeared in 42 games (25 starts), and finished his career with 94 recepts. for 1,294 yds. and 12 TDs. As a senior, registered 40 recepts. for 504 yds. and 4 TDs. In 2013, averaged 16.7 yds. per catch, which ranked first on the team among receivers with at least 15 recepts. As a sophomore, started all 5 games in which he appeared and tallied 8 recepts. for 105 yds. and 2 TDs. In 2011, played in 12 games (2 starts) and notched 14 recepts. for 151 yds. and 2 TDs. Redshirted in 2010. Attended North Shore (Houston, TX) HS and was earned U.S. Army All-America and SuperPrep All-America honors. Recorded 32 recepts. for 473 yds. and 9 TDs, as a senior. Hauled in 34 recepts. for 801 yds. (23.6 avg.) and 10 TDs, in 2008. Also ran track and was the Texas Class 5A 200-meter dash champion, in 2008. Born 10/16/91 in Houston, TX.

S Jermaine Whitehead

5-11, 193 Auburn