Saturday night, America bore witness to the most shocking sports retirement since Michael Jordan’s first exit from the NBA. Coming off the best season of his career, Colts quarterback Andrew Luck decided he was going…

INDIANAPOLIS (AP) — Andrew Luck was unique. He loved football. He loves life even more. So when the 29-year-old Luck thought another long, laborious comeback journey jeopardized his future, he believed walking away from the…