He played college football for the UL Monroe Indians and was signed as an undrafted free agent by the Edmonton Eskimos in 2006.
Jyles was also a member of the Saskatchewan Roughriders, the Winnipeg Blue Bombers, the Toronto Argonauts, and the BC Lions.
He again dressed for all 18 games as the third-string quarterback in 2007, seeing limited playing time behind Ricky Ray and Stefan LeFors.
Pierce came back for the Labour Day Classic against the Saskatchewan Roughriders, but, for his third consecutive start, was injured in the game.
Jyles was again traded in the offseason, this time to the Eskimos on December 12, 2011, along with Grant Shaw and a 2012 first round draft pick, for Ricky Ray.
[10] On April 7, 2014, Jyles was signed by the BC Lions to compete for a back-up role to entrenched starter, Travis Lulay.