The TinCaps snapped a three-game winning streak when their lineup struggled in a 6-4 loss atGreat Lakeson Monday.
Before Juan Carlos Urena's three-run homer in the ninth inning, the TinCaps (7-9) had managed only Henry Charles' RBI double in the third.
The game opened a seven-game road swing for the TinCaps, who swept Peoria last week and racked up 30 runs in the process.
Loons starter Jonathan Martinez prevented more fireworks, holding the TinCaps to one run and four hits in his seven innings. Martinez struck out five and walked one.
TinCaps starter Walker Weickel (1-3) lasted six innings and gave up three runs on six hits.
Urena's homer was preceded by singles from Franmil Reyes and Fernando Perez, the Midwest League player of the week who ran his hitting streak to 11 games.