Joey Pankake singled home Mike Gerber in the bottom of the 10th inning Monday as the West Michigan Whitecaps scored a 4-3 win over the Dayton Dragons.
The Whitecaps (23-22) took three-of-four in the series with the Dragons (23-22).
West Michigan scored two runs in the eight to force extra innings.
Luis Gonzalez went 4-for-5 to pace Dayton, which fell to three games out of first in the Midwest League Eastern Division first-half standings.
The Dragons open a three-game home series against South Bend on Tuesday night.
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