Colby Lewis

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Texas Rangers starting pitcher Colby Lewis delivers the ball to the Washington Nationals during the first inning of a baseball game on Friday, May 30, 2014, in Washington. (AP Photo/Luis M. Alvarez)

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Texas Rangers pitcher Colby Lewis delivers against the Detroit Tigers during the first inning of a baseball game Sunday, May 25, 2014, in Detroit. (AP Photo/Duane Burleson)

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Texas Rangers' Colby Lewis, left, gets a visit on the mound from Robinson Chirinos (61) and pitching coach Mike Maddux, right, after the Seattle Mariners loaded the bases in the fourth inning of a baseball game, Tuesday, May 20, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez )

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Texas Rangers' Colby Lewis delivers a pitch against the Houston Astros in the first inning of a baseball game Monday, May 12, 2014, in Houston. (AP Photo/Pat Sullivan)

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Texas Rangers starting pitcher Colby Lewis winds up to deliver to the Colorado Rockies in the first inning of a baseball game, Wednesday, May 7, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)

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Colorado Rockies' Carlos Gonzalez (5) is greeted at the top steps of the dugout by Troy Tulowitzki as manager Walt Weiss (22) stands near following Gonzalez' solo home run off of Texas Rangers starting pitcher Colby Lewis in the fourth inning of a baseball game, Wednesday, May 7, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)

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Texas Rangers manager Ron Washington (38) takes the ball from starting pitcher Colby Lewis as catcher Robinson Chirinos, second from left, Adrian Beltre, rear, and Elvis Andrus stand on the mound in the fourth inning of a baseball game against the Colorado Rockies, Wednesday, May 7, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)

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Texas Rangers starting pitcher Colby Lewis throws against the Los Angeles Angels in the first inning of a baseball game on Friday, May 2, 2014, in Anaheim, Calif. (AP Photo/Alex Gallardo)

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Texas Rangers pitching coach Mike Maddux, center, talks with starting pitcher Colby Lewis (48) as catcher Robinson Chirinos listens after Lewis gave up a pair of hits to the Seattle Mariners in the fourth inning of a baseball game on Saturday, April 26, 2014, in Seattle. (AP Photo/Elaine Thompson)