F Tim Abromaitis: A 6-foot-8, 236-pound former Notre Dame forward who played three seasons for the Fighting Irish, lastly in 2011-12, when he averaged 14 points and 7 rebounds in just two games before tearing the anterior cruciate ligament in his right knee. The Unionville, Conn., native was denied a sixth year of eligibility from the NCAA. He finished his college career averaging 13.7 points and 4.8 rebounds per game.
G/F Courtney Fells: A 6-foot-6, 210-pound former North Carolina State swingman who has played professionally overseas in the Dominican Republic, Cyprus and, most recently, Israel, where he averaged 11.1 points in 34 games last season.
G Jayson Granger: A 6-foot-2, 180-pound point guard from Uruguay who played professionally in Spain last season, averaging 12.6 points in 24 games.
F Lawrence Hill: A 6-foot-8, 235-pound former Stanford forward who has bounced around the NBDL and played professionally in Israel last season, where he averaged 12.8 points per game in 27 games. He has also played for the Maine Red Claws and participated with the Sacramento Kings during their 2011 training camp.
C/F Eli Holman: A 6-foot-10, 255-pound former center/forward for the Detroit Titans of the Horizon League. He played three seasons for the Titans, averaging 10.8 points and 7.0 rebounds during his last season, in 2011-12. Was removed from all team-related activities for an indefinite period following an incident in which he allegedly assaulted a student at Detroit.
C Colton Iverson: A 7-foot, 255-pound center whom the Celtics acquired in the NBA draft. Iverson was selected by Indiana in the second round with the No. 53 overall pick, and the Celtics traded for him, giving the Pacers cash in exchange. He averaged 14.2 points and 9.8 rebounds last season at Colorado State. He sat out 2011-12 after leaving the University of Minnesota after three seasons.
G Darius Johnson-Odom: A 6-foot-2, 215-pound guard from Marquette who was drafted in the second round (55th overall) by Dallas in 2012. The Los Angeles Lakers acquired him in a draft-day trade with Dallas, and he played four games with them last season before the Lakers waived him in January. He also played in 13 games with the Los Angeles D-Fenders, an NBDL team, and averaged a team-high 20.6 points.
C Fab Melo: A 7-foot, 255-pound center entering his second season with the Celtics. A first-round draft pick out of Syracuse in 2012. Appeared in six games with the Celtics last season, averaging 1.2 points in limited minutes.
F Tony Mitchell: A 6-foot-6, 216-pound former Alabama standout who played with the Fort Wayne Mad Ants of the NBA's Development League last season, earning NBDL Rookie of the Year honors after averaging a team-high 21.9 points as well as 6.4 rebounds, 2.7 assists, 1.4 steals and 35.3 minutes in 48 regular-season games.
C/F Kelly Olynyk: A 7-foot, 234-pound center/power forward out of Gonzaga whom the Celtics acquired in the 2013 NBA draft. The Celtics traded up three spots, from No. 16 to No. 13, to select him in the first round. He averaged 17.8 points and 7.3 rebounds in 32 games last season as a junior, earning West Coast Conference Player of the Year honors.
G Phill Pressey: A 5-foot-11, 176-pound point guard who left Missouri as a junior after averaging 11.9 points and a league-best 7.1 assists per game. He was under consideration for the Bob Cousy Award as the best collegiate point guard in the country as a sophomore when he averaged 10.1 points and 6.4 assists on a team that went 30-5. His father, Paul, a former NBA player himself, was an assistant coach for the Celtics on Doc River's staff. During that time, Pressey played one year at Waltham High.
G/F Omar Reed: A 6-foot-6, 210-pound swingman who played for the NBDL's Maine Red Claws last season, averaging 5.4 points in 44 games. He played at Bluefield College in Virginia, a small, Christian liberal arts school in Tazewell County.
G Nolan Smith: A 6-foot-2, 185-pound shooting guard out of Duke who was drafted in the first round (21st overall) by the Portland Trailblazers in 2011. He averaged 3.3 points in 9.9 minutes per game with the Trailblazers the last two seasons. He is an unrestricted free agent. He won a national title with the Blue Devils in 2010.