Nearly a month after he upchucked his dinner onto the floor at Madison Square Garden ... Tracy Morgan was back courtside watching his Knicks -- and this time, there were no stomach issues in sight.
The 56-year-old comedian pulled up to New York's Tuesday night tilt with the Boston Celtics for the first time since his now-infamous March 17 incident ... and his favorite team welcomed him back with open arms.
They showed him on the jumbotron, and fans roared with applause when they saw he was back.