Yankees closer Aroldis Chapman's fastball is still elite

Yankees should not start panicking about Aroldis Chapman's performance – New York Daily News

Aroldis Chapman and the gnashing of teeth - Pinstripe Alley

Why Aroldis Chapman isn't as dominant - and what the Yankees can do

Aroldis Chapman's Woes Doom Yankees to Series Loss Against Red Sox - The New York Times

How Aroldis Chapman Threw The Fastest Pitch Ever

Concerned About Aroldis Chapman's Slowing Fastball? He Isn't - The New York Times

Aroldis Chapman agrees to return to Yankees - The Boston Globe

Aroldis Chapman making case to return to closer role for Yankees

Mariners Analysis: Edwin Diaz and Aroldis Chapman Set To Bring The Heat

Yankees making big strategy shift at closer with Aroldis Chapman struggling

Source: Yankees sign closer Aroldis Chapman to five-year deal

Is Aroldis Chapman evolving?, Bronx Pinstripes

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