The Reading Fightin Phils dropped their series finale in Trenton 4-3 on Sunday.
Kelly Dugan hit his fourth home run of the season in a losing effort for Reading.
Troy Hanzawa went 3-for-4 and Albert Cartwright went 2-for-2 for the Fightins.
Kyle Simon (1-3, 4.54) took the loss on the mound.
The Fightin Phils (48-65) have lost all four of their games in the month of August.
Reading will be off on Monday before opening a series in Harrisburg on Tuesday.
Phillies All-Star outfielder Domonic Brown is expected to rehab for the Fightins in Tuesday night's game.