BOSTON (CBS) – The Boston Celtics are filling out their roster, signing their two draft picks and guard Sasha Pavlovic on Monday.

The Celtics agreed to terms with Purdue products JaJuan Johnson and E’Twaun Moore, in addition to Pavlovic, giving them 14 players on their roster.

READ MORE: Patriots Scouting Consultant Eliot Wolf To Interview For Bears, Vikings GM Openings

Johnson was selected in the first round of last year’s NBA draft, taken 27th overall by the New Jersey Nets. He was acquired by Boston in exchange for the draft rights to Marshon Brooks. The 6-10 forward was named the Big Ten Player of the Year and Big Ten Defensive Player of the Year after averaging 20.5 points, 8.6 rebounds and 2.3 blocks per game in 2010-11.

New: NBA Free Agency Tracker

His teammate Moore was one of the most prolific scorers in Boilermakers history, leaving their third all-time leading scorer. The 6-4 guard was an Honorable Mention AP All-American last season after averaging 18 points, 5.1 rebounds, 3.2 assists and 1.2 steals per game. He could provide Boston with some scoring off the bench.

READ MORE: Brad Marchand Named NHL's First Star Of The Week

Both rookies were in recent trade rumors, but will now be staying put in Boston. Rookies cannot be traded for 30 days after they sign with their teams.

Pavlovic played in 17 games for the Celtics at the end of the season. He has averaged 5.3 points and 1.8 rebounds in 483 career games with stops in Utah, Cleveland, Minnesota, New Orleans, and Dallas.

The team also officially announced their trade with the Orlando Magic, sending Glen Davis and Von Wafer to Orlando for Brandon Bass.

MORE NEWS: New Hampshire Roadway Flooded From North Hampton To Rye After Monday's Storm

All of Boston’s newly signed players were at practice on Monday.