Unbeaten former world champion Jermall Charlo returns to face Argentina’s Jorge Sebastian Heiland in a middleweight world title eliminator featured on SHOWTIME CHAMPIONSHIP BOXING, Saturday, July 29 live on SHOWTIME at 9 p.m. ET/6 p.m. PT. Charlo vs. Heiland is presented by Premier Boxing Champions live from Barclays Center, the home of BROOKLYN BOXING™. Televised coverage is headlined by a 12-round super lightweight showdown between four-division world champion Adrien Broner and unbeaten three-division champion Mikey Garcia. Additional undercard action will see former title challenger Gerald Washington (18-1-1, 12 KOs) take on unbeaten Jarrell “Big Baby” Miller (18-0-1, 16 KOs) in a 10-round heavyweight matchup. Highlights from Washington vs. Miller will be featured on the SHOWTIME telecast. Charlo (25-0, 19 KOs) and Heiland (29-4-2, 16 KOs) will meet in a 12-round eliminator to become the mandatory challenger for the WBC 160-pound championship. Charlo will make his middleweight debut after successfully defending his 154-pound belt three times, including a highlight reel knockout of then unbeaten Julian Williams last December on SHOWTIME.