 After three seasons with the Argonauts, Barker left to join the Birmingham Thunderbolts in the XFL.A fan favorite of the Bolts' (generally small) crowds, Barker was the team's second-string quarterback and played several games in the middle of the season before suffering a career-ending concussion late.In contrast to his college career, his time in the XFL saw him oversee the beginning of a seven-game losing streak.