Before Jason Collins, before Michael Sam, there was Glenn Burke. By becoming the first--and only--openly 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 league's color barrier. This is Glenn's story, in his own words . . . Touted by scouts and coaches alike as "the next Willie Mays," Burke, a charismatic outfielder, kept...