Aroldis Chapman: Yankees pitcher could pitch more often
Yankees closer Aroldis Chapman could copy a Roger Clemens pitch to improve - Pinstripe Alley
Can hard-throwing Mauricio Cabrera challenge Aroldis Chapman's throne? – The Denver Post
Why Aroldis Chapman revived his splitter: 'This pitch allows me to evolve' - The Athletic
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Yankees place closer Aroldis Chapman on injured list with Achilles tendinitis