Dangerous trend in baseball: As pitching speeds increase, so do injuries to pitchers | Sports | postandcourier.com
Will pitchers bring the most heat ever in 2019? Not so fast
Did you know that on September 9, 2010 Aroldis Chapman became the MLB record holder for fastest pitch ever thrown… | Aroldis chapman, Cincinnati reds, Reds baseball
Baseball's 106mph barrier: have pitchers reached the limits of their velocity? | MLB | The Guardian