Walking into the Warriors’ locker room at Chase Center, looking directly to the left and seeing an emptiness to spaces Klay Thompson used to occupy was an unfillable void left behind by a legend last season. Kevon Looney isn’t headed for the Basketball Hall of Fame like Thompson. His locker room presence will be just as missed, or more, when turning to the right and seeing somebody else in that first spot that served as an invitation to laughs and real wisdom for teammates and media members alike. “Loon is everything I talked about in terms of committing to the team and sacrifice and getting through adversity,” Coach Steve Kerr said more than four months ago after the Warriors’ 2024-25 NBA season ended. “He is in many ways our moral compass in that regard.” The Boston Celtics will find themselves in a similar situation for the 2025-26 season. They’re already in a gap year knowing star forward Jayson Tatum is out for the season after tearing his Achilles in the second round of the NBA playoffs, deciding to make multiple trades and shed money over the offseason. Boston still will have a second star in Jaylen Brown to...