The folks over at NBC Sports Boston found a great clip of Thomas going off for 52 points -- including 29th in the last frame ...

On this day in 2016, the King in the Fourth scored 29 of his regular-season career-high of 52 points in that quarter.

The Boston Celtics don't like to lose ... Boston finished 40-42 behind the efforts of then-rising All-Star point guard Isaiah Thomas and saw themselves swept by the East's eventual NBA Finals ...

The Bengals signed defensive end Isaiah Thomas off the practice squad to the active roster, the team announced Monday.