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

Lourdes Gurriel Jr. of the Diamondbacks sent one into the seats for a two-run homer off a 103.9 mph pitch from the newest Padres reliever, Mason Miller, in the eighth inning of Arizona’s 10-5 loss. His home run was a record-breaker as it was the fastest pitch ever hit for a home run in the Statcast era (since 2015).

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.