Drew Pomeranz

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Boston Red Sox starting pitcher Drew Pomeranz is congratulated by teammates after being taken out of the game during the seventh inning at Fenway Park in Boston, Wednesday, July 19, 2017. Pomeranz allowed three hits in his outing. (AP Photo/Charles Krupa)

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Boston Red Sox catcher Christian Vazquez, left, talks with starter Drew Pomeranz on the mound during the fourth inning of a baseball game against the Tampa Bay Rays Friday, July 7, 2017, in St. Petersburg, Fla. (AP Photo/Steve Nesius)

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Boston Red Sox starting pitcher Drew Pomeranz throws during the second inning of a baseball game against the Kansas City Royals Wednesday, June 21, 2017, in Kansas City, Mo. (AP Photo/Charlie Riedel)

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Oakland Athletics starting pitcher Drew Pomeranz throws to the Los Angeles Angels during the first inning of a baseball game Friday, May 30, 2014, in Oakland, Calif. (AP Photo/Marcio Jose Sanchez)

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Oakland Athletics starting pitcher Drew Pomeranz works against the Toronto Blue Jays during first inning of a baseball game in Toronto on Sunday, May 25, 2014. (AP Photo/The Canadian Press, Nathan Denette)

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Toronto Blue Jays first baseman Edwin Encarnacion, right, rounds the bases past Oakland Athletics starting pitcher Drew Pomeranz, left, after hitting a solo home run during the fourth inning of a baseball game in Toronto on Sunday, May 25, 2014. (AP Photo/The Canadian Press, Nathan Denette)