Errol Spence Jr. vs. Mikey Garcia was a professional boxing match contested on March 16, 2019, for the IBF welterweight championship.

[1] Since winning the IBF welterweight title against against Kell Brook, Errol Spence Jr. had made two stoppage defences against Lamont Peterson and Carlos Ocampo.

After successfully unifying the WBC and IBF lightweight titles in against Robert Easter Jr. July 2018, Mikey Garcia reiterated his desire to fight Spence Jr. by the end of 2018.

[5] On October 30, Garcia vacated his IBF lightweight title and the purse bid for the potential Richard Commey fight was cancelled.

[6] On November 13, PBC made an official announcement that the fight between Spence and Garcia would take place at the AT&T Stadium in Arlington, Texas on March 16, 2019, to be broadcast by FOX PPV.