The IronPigs suffered their second loss of the season on Saturday, falling 6-4 at Pawtucket.
The 'Pigs fell behind 6-0 before rallying for four runs in the seventh inning.
Sean O'Sullivan gave up four earned runs in four innings of work to take the loss of the mound.
The IronPigs (1-2) will wrap up their series in Pawtucket on Sunday at 1:05pm at McCoy Stadium.
The 'Pigs will host Buffalo in their home opener on Monday at 5:05pm at Coca-Cola Park.