James McDonald told reporters on Tuesday that he is merely battling shoulder tendinitis.
James McDonald was diagnosed with right shoulder soreness.
James McDonald left Monday's Cactus League start with an apparent injury.
James McDonald was much better in his second Cactus League start for the Cubs, tossing a pair of scoreless innings in Friday's win over the Angels.
James McDonald had an underwhelming Cactus League debut with the Cubs on Friday, allowing six runs on three hits and three walks in only one inning of work.
Cubs signed RHP James McDonald to a one-year, $1 million contract.
Cubs signed RHP James McDonald to a minor league contract with an invitation to spring training.
James McDonald refused his assignment to Triple-A Indianapolis and has elected to become a free agent.
Pirates sent RHP James McDonald outright to Triple-A Indianapolis.
Pirates designated RHP James McDonald for assignment.
James McDonald (shoulder) has been sent to Triple-A Indianapolis to begin a rehab assignment.
James McDonald (shoulder) threw a bullpen session Sunday.
James McDonald (shoulder) is tentatively scheduled to resume a throwing program next week.
Pirates transferred RHP James McDonald from the 15-day disabled list to the 60-day disabled list.