Edinson Volquez

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Toronto Blue Jays' Colby Rasmus, back right, runs home after hitting a grand slam off Pittsburgh Pirates starting pitcher Edinson Volquez, left, in the second inning of a baseball game on Sunday, May 4, 2014, in Pittsburgh. (AP Photo/Keith Srakocic)

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Pittsburgh Pirates starting pitcher Edinson Volquez throws against the Toronto Blue Jays in the first inning of a baseball game on Sunday, May 4, 2014, in Pittsburgh. (AP Photo/Keith Srakocic)

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Pittsburgh Pirates starting pitcher Edinson Volquez throws during the first inning of a baseball game against the St. Louis Cardinals, Sunday, April 27, 2014, in St. Louis. (AP Photo/Jeff Roberson)

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Pittsburgh Pirates starting pitcher Edinson Volquez delivers during the fourth inning of a baseball game against the Cincinnati Reds in Pittsburgh Tuesday, April 22, 2014. (AP Photo/Gene J. Puskar)

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Pittsburgh Pirates starting pitcher Edinson Volquez delivers during the first inning of a baseball game against the Cincinnati Reds in Pittsburgh Tuesday, April 22, 2014. (AP Photo/Gene J. Puskar)

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Pittsburgh Pirates starting pitcher Edinson Volquez delivers during the first inning of a baseball game against the Cincinnati Reds in Pittsburgh Tuesday, April 22, 2014. (AP Photo/Gene J. Puskar)

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Cincinnati Reds' Zack Cozart (2) doubles off Pittsburgh Pirates starting pitcher Edinson Volquez driving in a run during the seventh inning of a baseball game in Pittsburgh Tuesday, April 22, 2014. (AP Photo/Gene J. Puskar)

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Cincinnati Reds' Todd Frazier (21) is greeted by Johnny Cueto (47) after scoring on a double by Reds' Zack Cozart off Pittsburgh Pirates starting pitcher Edinson Volquez during the seventh inning of a baseball game in Pittsburgh Tuesday, April 22, 2014. (AP Photo/Gene J. Puskar)