Out at HomeBy: Glenn Burke, Erik Sherman Before Jason Collins, before Michael Sam, there was Glenn Burke. By becoming the firstand onlyopenly gay player in Major League Baseball, Glenn would become a pioneer in his own way, nearly thirty years after another black Dodger rookie, Jackie Robinson, broke the leagues color barrier. This is Glenns story, in his own words . . . Touted by scouts and coaches alike as the next Willie Mays, Burke, a charismatic outfielder,