Phillies sent RHP Sean O'Sullivan outright to Triple-A Lehigh Valley.
Phillies purchased the contract of RHP Sean O'Sullivan from Triple-A Lehigh Valley.
Sean O'Sullivan has accepted his assignment to Triple-A Lehigh Valley.
Phillies designated RHP Sean O'Sullivan for assignment.
Sean O'Sullivan made an emergency start against the Astros on Thursday and struggled, allowing five runs over six innings but didn't factor into the decision as the Phillies came from behind late to win 6-5.
Sean O'Sullivan will start Thursday against the Astros.
Sean O'Sullivan surrendered four earned runs in 5 2/3 innings Saturday in a loss to the Braves.
Sean O'Sullivan will start the second game of Saturday's doubleheader against the Braves.
Padres signed RHP Sean O'Sullivan to a minor league contract.