The IronPigs fell 4-2 in Buffalo Monday night for their 9th consecutive loss - their longest skid since the 2010 season.
The loss spoiled an excellent night by top prospect Maikel Franco.
Franco went 4-for-4 with a home run and two RBIs in a losing effort.
Sean O'Sullivan (4-9, 4.77) pitched eight innings, but suffered the loss on the mound.
The IronPigs (49-61) will look to snap their losing streak when they open a two-game series in Rochester on Tuesday night at 7:05pm.