Getty Celtics star considering transition to combat sports News from Wednesday’s practice session delivered a positive update for the Boston Celtics , who were perhaps sweating Jaylen Brown’s health as they prepare for the postseason.  Brown, 29, had missed two of Boston’s final three regular-season games and has openly admitted that his condition and mindset are at the right place heading into the playoffs. The Celtics star addressed reporters before practice at the Auerbach Center to ease any