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Zac Gallen 2019 Top 100 MLB Prospects Stock Watch — College Baseball, MLB Draft, Prospects - Baseball America
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Will Brennan joins prestigious club with Randy Johnson, Zac Gallen - Covering the Corner
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Streak on a Leash: Zac Gallen Chases History (Again)
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Zac Gallen - Wikipedia
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Zac Gallen vs. Dan Haren - Viva El Birdos
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When will Zac Gallen make his Majors debut
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Trading places: Rookie right-hander Gallen continues to shine in big leagues - The Sun Newspapers
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Diamondbacks acquire Marlins' Zac Gallen for prospect Jazz Chisholm
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2020 Panini Prizm Baseball #40 Zac Gallen Rookie RC
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Diamondbacks starter Zac Gallen scratched with right lateral forearm soreness - MLB Daily Dish