The Colorado Rockies on Monday walked back their claim that a fan shouted a racial slur during a game on Sunday. The team said in a statement that the fan was shouting the name of the team’s mascot, Dinger. “There was never any racial slur that occurred,” the team said. On Sunday, the team issued a statement saying it was “disgusted at the racial slur by a fan directed at the Marlins’ Lewis Brinson during the ninth inning of today’s game.” The team said it was investigating and would eject and ban any fan caught being racism or discriminatory. Paul Severino, the team’s play-by-play announcer, Tony Clark, the executive director of the MLB Players Association, and numerous news outlets also claimed a slur was shouted. “It is a painful reality that progress continues to be elusive in a world where ignorance and bigotry remain all too commonplace,” Clark said in a …