Lourdes Gurriel Jr.’s bat was faster than a speeding bullet, or at least faster than anything Padres right-hander Mason Miller could throw at him. The Diamondbacks outfielder turned on 103.9 mph offer

The Diamondbacks' Lourdes Gurriel Jr. hit a home run off a 103.9-mph pitch by the Padres' Mason Miller. It's the fastest pitch to be hit for a home run since MLB started tracking the stat.

The Diamondbacks’ Lourdes Gurriel Jr. set a record, blasting a 103.9 mph fastball for a home run, but Arizona lost, 10-5, in 11 innings to San Diego.