Aroldis Chapman of Cincinnati Reds becomes fastest to reach 500 career strikeouts - ESPN
Dominant Sliders — Slider Domination Blog
Aroldis Chapman ties record for fastest pitch ever recorded
Aroldis Chapman becomes fastest pitcher to reach 500 strikeouts
Reds' Aroldis Chapman deviates from fastball, delivers
Concerned About Aroldis Chapman's Slowing Fastball? He Isn't - The New York Times
Aroldis Chapman Stretches the Reds' Budget, and the Limits of Pitching - The New York Times
Reds closer Aroldis Chapman becomes fastest pitcher to 500 strikeouts in MLB history
Cincinnati Reds' Aroldis Chapman sets record for 500 strikeouts - Sports Illustrated