Tyler Colvin gets another chance to show his stuff Saturday. (Brian Cassella/Tribune Photo)
Casey Coleman takes the mound for the Cubs, who are trying to avoid losing the first series of September. The lineup:
Castro, ss
Barney, 2b
Ramirez, 3b
Pena, 1b
Soriano, lf
Byrd, cf
Colvin, rf
Soto, c
Coleman, p
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