Stephfon Green Stephfon P . Green ( born May 28 , 1989 ) is an American football running back who is currently playing for the Saskatchewan Roughriders of the Canadian Football League . Early years . Green attended John F . Kennedy High School in the Bronx where he was coached by Alex Vega . He played tailback and safety and was named as a first team All - Conference selection . During his senior season , he appeared in only the first 5 games , but took advantage of his opportunities as he rushed for 740 yards and 10 touchdowns on just 50 carries , averaging 14 . 8 yards per carry . On defense , he recorded 21 tackles and two interceptions . In a game against Lincoln High School ( Brooklyn ) , he had 330 yards rushing and 5 touchdowns on only 6 carries for an incredible 55 yard average per carry and a long of 86 yards . Two games later he had a 95 yard run . His senior season was cut short the following week against South Shore when he broke his right ankle . In his junior year , Green appeared in nine games and rushed for more than 1 , 000 yards and 13 touchdowns . As a kick returner , he returned kickoffs for two touchdowns and added two interceptions on defense . He was recruited by Michigan State , Rutgers and Syracuse , but committed to attend Penn State in July 2006 . He was rated as a 3 star prospect , and the 38th ranked cornerback in the country . College career . Green is majoring in crime , law and justice . He has said , “ I always tell everybody , and they get surprised when I say that , but football is my Plan B . I ’ m here on a scholarship , but at the same time , I ’ m getting a free education , so I ’ m going to take advantage of that . He is a member of Iota Phi Theta fraternity , Eta Alpha chapter . ” 2007 season . Stephfon Green was recruited by Penn State as a defensive back , but soon after arriving , coaches determined that his speed was better suited for the tailback position . He has been clocked at 4 . 25 seconds in the 40 yard dash . Green redshirted his freshman season at Penn State and practiced mostly with the scout team on offense as the Lions had Austin Scott , Rodney Kinlaw and Evan Royster at tailback . 2008 season . Stephfon had a strong preseason for the Nittany Lions . He led the team in rushing in the annual Blue - White spring game , rushing 12 times for 87 yards . In the second play from scrimmage he ran 57 yards for a touchdown . Green appeared in all 13 games for the Nittany Lions in 2008 , including the Rose Bowl against Southern California . He has shown big play ability , having a rush or reception of at least 10 yards in 11 of the 13 games . In the first game of his college career , he scored two touchdowns in a 66 – 10 blowout win against Coastal Carolina . His first 100 + yard rushing game came against Temple where he ran for 132 yards on 9 carries , including a 69 yard touchdown . Against Michigan , he turned a screen pass into a career long 80 yard touchdown reception , helping Penn State defeat the Wolverines for the first time since 1996 . Green was one of the bright spots for the Nittany Lion offense in the 2009 Rose Bowl . He racked up 124 yards from scrimmage on 15 touches against a stingy USC defense . However , in the second quarter , he fumbled the ball just before halftime that led to a touchdown pass by Mark Sanchez . He has used the fumble as motivation to improve and takes blame for the Rose Bowl loss , saying " We were gaining momentum , and I just let the momentum slip away . That was a letdown to my team , and I don ’ t ever want to have my teammates look at me as a letdown . " In the second half of the Rose Bowl , he suffered a dislocated ankle . The injury required surgery which he had in January 2009 and was out of action for over 3 months , missing all of spring practice and the Blue - White game . 2009 season . Green entered the 2009 season 2nd on the depth chart behind starter Evan Royster . He scored his first touchdown of the season against Temple in week 3 . Two weeks later against Illinois , he ran for a season high 120 yards on 13 carries , including a 52 yard touchdown run early in the 2nd quarter . He added his third touchdown of the season the following week in a 52 – 3 rout of Eastern Illinois . In week 7 against Minnesota , he suffered another injury to his right ankle . He had previously broke his right ankle during his senior season in high school , causing him to miss the rest of the season . He also dislocated the same ankle during the 2009 Rose Bowl , which resulted in him missing all of spring football for the Nittany Lions . After missing games against Michigan and Northwestern , Green returned for the Ohio State game , but was limited to just two carries and one reception as the Nittany Lions were soundly defeated by the Buckeyes 24 – 7 . In the Capital One Bowl against LSU on New Year ' s Day , Green rushed seven times for 35 yards as Penn State won 19 – 17 . Professional career . The Detroit Lions signed Stephfon Green as an undrafted free agent . On 27 August 2012 , Green was cut by the Detroit Lions . He subsequently signed to the Lions practice squad on September 1 , 2012 . He was than released on September 18 , 2012 . On November 1 , 2012 , the Saskatchewan Roughriders of the Canadian Football League signed Green . Personal . Green has said that if he doesn ' t get a chance to play football professionally , he would like to be an FBI agent . He wears jersey number 21 in honor of his favorite athlete , LaDainian Tomlinson . He recently had a daughter born in January 2012 .