BOSTON -- Boston Celtics forward Marcus Morris believes his team landed a quality addition Friday by striking early on the buyout market.

Boston agreed to sign 27-year-old big man Greg Monroe for the remainder of the season after he reached a buyout with the Phoenix Suns earlier this week. By using their disabled player exception, the Celtics were able to land Monroe on a $5-million contract -- more than any other suitor could offer.

"I think that's a great pickup for us," Morris said Friday before hosting the Atlanta Hawks. "Veteran player. Knows how to play the game. He's been around the league awhile so I think he'll add to our size down low, scoring ability. I think it's a great pickup."

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Monroe has averaged 13.9 points and 8.7 rebounds over an eight-year career. Splitting time with the Milwaukee Bucks and Suns this season, he has averaged 10.4 points and 7.4 rebounds over 21.8 minutes per game.

"Yeah, I mean, he's a big body," Morris said. "Even if he's not scoring, he's carving space for other guys to be able to drive. He's well respected around the league so that goes a long way. I think he's going to be a great piece for us going forward."

Celtics head coach Brad Stevens declined to comment on the impending Monroe signing because it is not yet official. The veteran is fully expected to clear waivers Saturday.