Featherweight world titleholder Leo Santa Cruz’s unanimous decision win over secondary titlist Abner Mares in their action-packed rematch Saturday night at Staples Center in Los Angeles averaged 600,000 viewers for the live airing on Showtime, according to Nielsen Media Research. The fight peaked at 633,000 viewers. The full telecast of the first fight in August 2015, which aired on ESPN (and was more widely available) averaged 1.217 million viewers and peaked at 1.614 million. Saturday’s Showtime co-feature, junior middleweight titlist Jermell Charlo’s majority decision win over former titlist Austin Trout, averaged 532,000 viewers and peaked at 575,000.

Dan Rafael, ESPN Senior Writer129d ago