According to Statcast Aroldis Chapman threw the fastest recorded pitch on September 24, 2010. In the bottom of the eighth inning Chapman delivered a 105.8 mph fastball to the San Diego Padres Tony Gwynn; it was a ball. read more
The fastest baseball pitch is 105.1 mph (169.14 km/h) and was thrown by Aroldis Chapman (Cuba) for the Cincinnati Reds in a game against the San Diego Padres, at PETCO Park, San Diego, California, USA, on 24 September 2010. read more