Celtics reportedly ‘bracing for the worst’ with Jayson Tatum’s injury

Jayson Tatum suffered a serious injury on Monday night at Madison Square Garden. (Danielle Parhizkaran/Globe Staff) As of Tuesday afternoon, the Celtics have still not released any update on Jayson Tatum after the star forward suffered a non-contact injury on Monday night against the Knicks.

The defending champion Celtics will fight on, but it’s impossible to ignore that everything’s changed

Tatum needed help getting off the court with less than three minutes remaining in Game 4 of Boston’s eventual 121-113 loss to New York — with ESPN cameras capturing a distraught Tatum being taken to the team’s locker room in a wheelchair.

Celtics head coach Joe Mazzulla said postgame that Tatum was set to…