A brawl broke out behind home plate early in Friday night's game between the Greenville Drive, Boston's affiliate, and the Charleston River Dogs, New York's affiliate.Drive pitcher Miguel Celestino nailed Charleston's Slade Heathcott in the head with just his second pitch of the game. Heathcott immediately attacked catcher Christian Vazquez and both dugouts cleared. The fight went on for nearly a minute before the teams were separated. Heathcott and Vazquez were ejected and the River Dogs went on to win 6-2.