on february 8, 2008, jyles was traded, along with edmonton's 2008 2nd round cfl draft choice, to the saskatchewan roughriders for fred perry and saskatchewan's 2008 2nd round draft choice. he made his first career start against his former team, the eskimos, on october 25, 2008 in a 55-9 win (although jyles would be pulled at halftime). he completed his first professional touchdown pass against the bc lions in week 2 to andy fantuz in a 26-16 win.