During his time suiting up for the Celtics, Kleine wore only jersey No. 53 and put up 4.4 points and 4.2 rebounds per game.

Celtics' Payton Pritchard makes basketball history never done in NBA by Boston before originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here. Payton Pritchard continues to be unlike any other player to ever suit up for the Boston Celtics.

The Boston Celtics pull off an aggressive deal for Memphis Grizzlies big man Jaren Jackson Jr. in this NBA mock trade.

The Celtics, who entered Wednesday with the third-best record in the Eastern Conference and the third-best net rating in the NBA, also have been linked to big men Ivica Zubac, Daniel Gafford and Robert Williams III in pre-deadline trade rumors.

Robert Williams III is in the final year of his contract as it's looking more and more likely the Trail Blazers will move him at the trade deadline.

When you play for the Celtics under Mazzulla, you can go from warming the bench to guarding the toughest cover in the NBA in just one game.

The Celtics continue to be linked to big men on the trade market, though the price tag is always the big question mark.

A new Celtics trade pitch brings renewed attention to a lingering roster question ahead of the February deadline.

During his time suiting up for the Celtics, Gilmore wore only jersey No. 53 and put up 3.5 points and 3.1 rebounds per game.