On July 9, 2005, Devin began his pro MMA career at the SF11: Rumble on the Rose Garden event, where he defeated South African kickboxer Rico Hattingh by unanimous decision.
Cole went on to compile a professional record of 18-8-1 including notable wins over Mike Kyle and Travis Wiuff before signing with Strikeforce.
Cole headlined the debut event from the World Series of Fighting against former UFC Heavyweight Champion Andrei Arlovski on November 3, 2012, in Las Vegas, Nevada.
The charges were later reduced to assault in the fourth degree and sexual harassment, to which Cole pleaded guilty.
[5][6][7] The incident was cited as the reason why Cole's planned UFC debut at UFC on FOX 4 in August 2012 against Travis Browne was scrapped, despite being among Strikeforce's heavyweight roster (and coming off of two wins) when their heavyweight division was folded at the end of 2011.