Pitching for Triple-A Louisville at Pawtucket, Chapman allowed one run and five hits with two walks and tied a season high with nine strikeouts. After the game was initially delayed by rain, Chapman threw 83 pitches before the game was halted after the top of the sixth.
Despite giving up just one run, Chapman took the loss as the Bats fell, 1-0.
In his previous start, Chapman had allowed seven runs and walked six in just two innings. He is now 5-4 with a 4.22 ERA through 12 starts, and he has struck out 70 batters in 59 2/3 innings.