Selected by Toronto in the second round (9th overall) in the 2012 CFL Canadian Draft… Signed by Toronto on May 16, 2013.
2013: Dressed in 14 regular season games with 10 starts at DL for the Argonauts…Recorded 15 tackles and 4 sacks…Made 1 fumble recovery…2013 Playoffs Dressed at DT in Eastern Final loss vs Hamilton…recorded 1 DT
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 Laing has a young son named Marshall, and his parents are Brenda and Clinton Laing. Cleyon attended Holy Trinity Catholic High School while growing up in Edmonton. During his high school career he was a versatile player as he dressed as both a receiver and defensive lineman. In 2007, Laing was awarded the Holy Trinity Catholic High School Most Outstanding Defensive Lineman award as well as team MVP award. 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 was selected as a 2008 Edmonton Journal All-Star. He competed in track & field during his later years of high school, and excelled in shot put, where he set a new provincial record, as well as javelin and discus. Laing majored in Liberal Arts Studies at Iowa State.