MLB史上最速のピッチャーの球速は？
On September 24, 2010, against the San Diego Padres, Chapman was clocked at 105.1 mph (169.1 km/h), according to PITCHf/x, which is the fastest pitch ever recorded in Major League Baseball. On July 19, 2016, Chapman matched his previous record of 105.1 mph when he threw a ball to Baltimore's J. J. Hardy.
105.1 mph (169.1 km/h)