Perrish Cox Perrish Eugene Cox ( born January 10 , 1987 ) is an American football cornerback for the San Francisco 49ers of the National Football League ( NFL ) . He was drafted by the Denver Broncos in the fifth round of the 2010 NFL Draft . He played college football at Oklahoma State . Early years . Cox attended University High School in Waco , Texas , where he was a standout on both sides of the football . As a senior , Cox recorded 27 tackles and led the team with nine interceptions . On the offense , he had 47 catches for 670 yards and 12 touchdowns . He earned first - team Class 4A all - state honors , first - team all - Central Texas honors , and played in the 2006 U . S . Army All - American Bowl . Considered a four - star recruit by " Rivals . com " , Cox was listed as the No . 8 cornerback prospect in the nation . He chose Oklahoma State over LSU , Nebraska , and Oklahoma . College career . In his true freshman year at Oklahoma State , Cox became the first Cowboy since Barry Sanders to open a season with a kickoff return for a touchdown when he went 96 yards against Missouri State . Playing both on defense and special teams , Cox had 24 tackles on defense while breaking up five passes . His 595 kickoff return yards in 2006 represent the third best single - season total in OSU history . Cox became a starter during his sophomore year , as he started the last eight games of the regular season at cornerback . He tied for second on the team with two interceptions while breaking up eight passes , and was also credited with 42 tackles . Cox averaged 21 . 5 yards on 31 kickoff returns and his 631 kickoff return yards are second best for OSU in a single season . As a junior , Cox again returned the first kickoff of the season 90 yards for a touchdown against Washington State . He finished the season with 32 tackles , eight pass break - ups , and two interceptions . Cox entered his senior season just 110 kickoff return yards short of the Big 12 career record . In November 2009 , he was named one of the twelve semifinalists for the 2009 Jim Thorpe Award . Professional career . 2010 NFL Draft . Cox was considered one the best cornerbacks available in the 2010 NFL Draft . His draft stock dropped after a slow 40 - yard dash at the NFL combine , but he was able to improve his workout numbers at OSU ' s Pro Day . Denver Broncos . Cox was drafted by the Denver Broncos in the fifth round of the 2010 NFL Draft . He played one year for the team and was released on September 3 , 2011 . San Francisco 49ers . Cox signed with the San Francisco 49ers for a two - year deal on March 13 , 2012 . Off the field troubles . In August 2009 , Cox was arrested for driving with a suspended license . He was also suspended from the Cotton Bowl in his senior season by head coach Mike Gundy for violating the team curfew rule . Cox was arrested on December 9 , 2010 , for felonious sexual assault and taken to a Douglas County jail . He was released on December 10 on a $ 50 , 000 bond . His sexual assault charges were classified as class three and class four felonies which carry a sentence of two years to life in prison . He faced a possible sentence of ten years to life if convicted . However , on March 2 , 2012 , Cox was found not guilty of sexual assault charges in Douglas County , Colorado criminal court .