Aroldis Chapman - Wikipedia
Doing the math on Aroldis Chapman's fastball
Royals scammed the Rangers big-time on Aroldis Chapman trade
With 103.8 mph throw, newcomer Mauricio Cabrera challenging Chapman's speeds
Can hard-throwing Cabrera challenge Chapman's throne?
Aroldis Chapman Is the Reds' Flamethrower - The New York Times
Hunter Greene threw 104.3 mph fastball in Louisville Bats debut
Baseball 2013: Here Come the Flamethrowers - WSJ
Five Things We Learned Monday: Yankees' Aroldis Chapman threw 105 mph - ESPN - SweetSpot- ESPN
Chapman's 105.1 mph pitch matches fastest since 2008
The Hardest-Throwing Human Is Coming Back to the Yankees
10 Degrees: The story of Jordan Hicks' 105.1-mph pitch, which was (maybe) the hardest ever thrown
Aroldis Chapman Holds The Record For MLB's Fastest Pitch