Diamondbacks signed LHP Clayton Richard to a minor league contract.
Clayton Richard has elected free agency.
Clayton Richard underwent successful left shoulder surgery on July 15.
Clayton Richard will undergo season-ending surgery to shave down part of his left clavicle.
Clayton Richard underwent an MRI which showed no damage to his shoulder joint.
Padres placed LHP Clayton Richard on the 15-day disabled list with a left shoulder injury.
Clayton Richard (shoulder) is expected to be placed on the disabled list.
Clayton Richard was removed from Friday's game with left AC joint pain.
Clayton Richard left Friday's game with an apparent injury.
Clayton Richard allowed just one run on seven hits over eight innings in Sunday's win against the Diamondbacks.
Clayton Richard has been scratched from his start Saturday against the Diamondbacks.
Clayton Richard struggled again Sunday, allowing four earned runs over six innings in a loss to the Rockies.
Clayton Richard surrendered six runs in 4 1/3 innings Tuesday in a loss to the Dodgers.
Clayton Richard will make his next start Tuesday against the Dodgers after pitching in relief Friday.