Aroldis Chapman's fastball is no longer special

Aroldis Chapman is much more than a big fastball - River Avenue Blues

Is fastball mania putting young baseball arms on the brink?

Yankees' Aroldis Chapman might not serve suspension until next year

Cubs pitcher Aroldis Chapman: a math problem in a baseball uniform

Aroldis Chapman's fastball is no longer special, Bronx Pinstripes

Aroldis Chapman: The rise and fall of a dominant closer

Aroldis Chapman Offers Partial Apology, and Not Everyone Is Impressed - WSJ

Is fastball mania putting young baseball arms on the brink?

Aroldis Chapman with an absolutely filthy 100 MPH tailing fastball to end the game : r/baseball

Aroldis Chapman Is Looking to Slow Things Down - WSJ

Reds' Aroldis Chapman moves back to bullpen

Unhittable? Aroldis Chapman and His 105-M.P.H. Fastball - The New York Times