How Yankees' Aroldis Chapman fixed his dominant fastball (PHOTOS)
Forget the Fastball: The New York Yankees Closer Has A More Dominant Pitch
Yankees' Aroldis Chapman to miss at least month with shoulder injury
Yankees closer Aroldis Chapman's command suffering from his posture - Pinstripe Alley
Yankees closer Aroldis Chapman's fastball is still elite - Pinstripe Alley
New York Yankees: Aroldis Chapman ready to reclaim closer's role?
Aroldis Chapman's fastball is no longer special, Bronx Pinstripes
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Kansas City Royals' Aroldis Chapman Leading the League in This Special Statistic - Fastball
Inside the Yankees' Aroldis Chapman problem
Yankees' Aroldis Chapman unveils 'split change' to arsenal
Royals trade resurgent Aroldis Chapman to Rangers
Aroldis Chapman leads charge for flamethrowers
What's Wrong With Aroldis Chapman? - The Ringer