Blister Forces Ryan Cook to DL

Ryan Cook has been placed on the disabled list with a blister on his pitching hand. Knuckleball right-hander Houston Summers takes Cook's spot on the roster.

Ryan Cook has gone 5-1 with a 2.85 ERA, and is tied for second in the league in victories. Cook got chased after just three innings in his first loss of the season Monday night, however, due to a blister problem on his right hand. Cook allowed three runs (two earned) on five hits while striking out one and walking two. He has still allowed three or fewer earned runs in all seven of his starts this season.

Cook has been placed on the seven day disabled list, effective Tuesday.

"Ryan has an unfortunate situation," South Bend manager Mark Haley said after Monday's 9-0 loss. "He's got a blister on his finger. That's where he started losing his feel on it. He's a hard-sinker, power-sinker guy and those guys put a lot of stress on their finger, so he blistered up. That's going to be tough for him to come back."

Houston Summers, a knuclkeball pitcher who converted from a position player during the 207 season, assumes Cook's spot on the roster, and likely his niche in the rotation as well. Cook is only expected to miss a couple of starts.

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