America’s Youngest World Champion Gervonta Davis And WBC Featherweight World Champion Gary Russell Jr. Anchor Four-Fight, Split-Site Boxing Event Saturday, May 20 On SHOWTIME®

NEW YORK (May 10, 2017) – America’s youngest world champion, Gervonta Davis, will make his first world title defense in the opening bout and featherweight world champion Gary Russell Jr. will make his mandatory world title defense in the main event of a split-site, four-fight SHOWTIME CHAMPIONSHIP BOXING event on Saturday, May 20, live on …