Gurriel makes history with HR off 103.9 mph pitch

Diamondbacks’ Lourdes Gurriel Jr. hits historic homer off 103.9 mph pitch

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.

Gurriel makes history with HR off 103.9 mph pitch

Arizona outfielder Lourdes Gurriel Jr. crushed a 103.9 mph fastball from San Diego's Mason Miller into the left-field seats for a two-run homer in the eighth inning Tuesday night, the hardest hit pitch for a homer since MLB started pitch tracking in 2008.