“That’s when I checked out on this season,” one Bucks player said of a team confrontation with coach Doc Rivers, who stepped down Sunday. Frustration written all over his face, Giannis Antetokounmpo stewed on the bench. He had been back from injury for half a month, and his Milwaukee Bucks appeared to be possibly turning things around after a 12-19 start to their season, winning five o... [14148 chars]