Aroldis Chapman Slow Motion Pitching Mechanics - Baseball Pitcher Analysis Cincinnati Reds

Aroldis Chapman Stretches the Reds' Budget, and the Limits of Pitching - The New York Times

Cards have more chances, but Reds have more power

Y'all want a #1 prospect? How about Aroldis Chapman? - Red Reporter

Aroldis Chapman: Terrible Decision to Make Him the Cincinnati Reds Closer, News, Scores, Highlights, Stats, and Rumors

Keith Law's Top 100 prospects for 2020 - The Athletic

Fastball - Wikipedia

Baseball 2013: Here Come the Flamethrowers - WSJ

Chris O'Leary's Pitching Primer

Cincinnati Reds' Aroldis Chapman sets record for 500 strikeouts - Sports Illustrated