Selected by Toronto in the second round (9th overall) in the 2012 CFL Canadian Draft.
Played four seasons at Iowa State (2008-2012)…2012 Played in 12 games for the Cyclones…Recorded 42 tackles and 3 sacks.. 2011 Played in 12 games for the Cyclones…Recorded 12 tackles, 0.5 sacks and a pass breakup on the season… Had a season-high three tackles and 0.5 sacks in win at Connecticut…2010 Played in nine games…recorded 15 tackles and added a force fumble on the year…Had a career day making four tackles, one being for a loss at Colorado (13/11/2010)…2009 Appeared in five games…recorded two tackles…2008 Redshirted his freshman year.
Cleyon is the son of Brenda and Clinton Laing. Cleyon attended Holy Trinity Catholic High School. During his high school career he was a versatile player as he played both receiver and defensive line In 2007, Lang was awarded the Holy Trinity Catholic High School Most Outstand Defensive Lineman. As a senior he was nominated for the Haliburton Trophy, given to the best football player in the Edmonton Metro area. Cleyon was also a basketball player and competitive track athlete, partaking in shot put, javelin and discus. Lang, is currently a Majoring in the Interdisciplinary Studies program at Iowa State.