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.

San Diego Padres reliever Mason Miller was bringing the heat on Tuesday night. Arizona Diamondbacks outfielder Lourdes Gurriel Jr. returned the favor. Gurriel cru

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.