From Lance's blog:

Following Sunday night's game, LHP Phil Dumatrait was promoted to Louisville from Double-A Chattanooga. He will start Monday night's 7:15 p.m. game vs. the Scranton/W-B Red Barons. Dumatrait is 3-4, 3.62ERA in 10 starts with the Lookouts. He will be making his Triple-A debut Monday night.