Tim Tebow retires from professional baseball after five years in Mets' minor-league system | CBS Sports Headlines Tim Tebow retires from professional baseball after five years in Mets' minor-league system The former Heisman Trophy winner and NFL quarterback had been part of the Mets’ farm system since 2016 ESN FeedsThis … Continue reading Tim Tebow retires from professional baseball after five years in Mets' minor-league system