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Jack Perkins strikes out Sergio Alcántara to end the game, securing an 11-2 victory for the Athletics
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Jack Perkins records the final 10 outs of the A's 7-0 win over the Yankees to earn his first career save
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Jack Perkins gets David Fry swinging with a cutter for his first strikeout in the big leagues
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A's No. 10 prospect Jack Perkins ties his career high with his 12th strikeout of the game for Triple-A Las Vegas
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A's No. 10 prospect Jack Perkins equals his professional best with 10 strikeouts over five scoreless frames for Triple-A Las Vegas
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A's No. 18 prospect Jack Perkins tosses 12 strikeouts across six innings during Game 2 of the Eastern League semifinals for Double-A Midland
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A's No. 18 prospect Jack Perkins tosses 12 strikeouts across six innings during Game 2 of the Eastern League semifinals for Double-A Midland
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A's No. 18 prospect Jack Perkins strikes out the side en route to tying his career high with 10 strikeouts for Double-A Midland
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A's No. 18 prospect Jack Perkins records his seventh and final K across seven scoreless frames for Double-A Midland
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A's No. 18 prospect Jack Perkins polishes off seven scoreless frames with his eighth strikeout for Double-A Midland
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A's No. 19 prospect Jack Perkins polishes off a quality start with his 10th strikeout for Double-A Midland
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Athletics No. 13 prospect Jack Perkins records three strikeouts in the 1st during his 10-K performance in 4 1/3 innings for Double-A Midland
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Athletics No. 14 prospect Jack Perkins collects his fourth batter to finish off a three-inning start for Double-A Midland
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Athletics No. 16 prospect Jack Perkins strikes out his fourth and final batter for Double-A Midland
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Athletics No. 19 prospect Jack Perkins fans two batters in one frame in the Fall League for Mesa in the bottom of the 7th inning
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A's top prospect Jack Perkins strikes out the side and picks up his first save for Mesa during the Arizona Fall League
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Athletics No. 20 prospect Jack Perkins strikes out six over six innings of one-run ball for Double-A Midland
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No. 30 Athletics prospect Jack Perkins picks up his fifth strikeout in five nice innings for High-A Lansing
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A's prospect Jack Perkins records his eighth and final K for High-A Lansing against Top 100 prospect Gavin Cross in the top of the 6th