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Walker struggles with command in rehab

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ANAHEIM -- Right-hander Taijuan Walker, 21, possibly the next piece in completing the Mariners' second-half rotation, went five innings Friday in a victory for Triple-A Tacoma, but needed 90 pitches to do so.

"He's OK. He's working at it. He's getting better," manager Lloyd McClendon said of the report on Walker, who made two starts for the Mariners earlier this summer (1-1, 3.60) before being sent back.

"Ninty pitches in five innings is not too good," McClendon said. "This game is all about fastball command. You don't have command of the fastball, you're going to throw a lot of pitches."

Earl Bloom is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.

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