BOSTON – (Staff Report from Official News Release) – The Boston Celtics announced the player contract for guard-forward Ron Harper Jr. was converted to a two-way contract. Per team policy, terms of the deal were not announced. The slot opened when the Celtics waived R.J. Luis – the 2025 BIG EAST Player of the Year – was waived on October 15.
Harper Jr. (6-5, 233) has appeared in 56 career regular season G League games (49 starts) across three seasons with Toronto (2022-24), Maine (2024-25), and Motor City (2024-25), averaging 17.7 points, 4.9 rebounds, 3.5 assists, and 1.1 steals in 32.6 minutes per game. The 25-year-old scored in double figures in 23 outings last season, including nine games with 20+ points and three games with 30+ points. Harper Jr. posted a G-League career-high 38 points (13-20 FG, 11-18 3FG, 1-1 FT) to go with three rebounds, eight assists, and one steal in a victory over Long Island Feb. 1.
The New Jersey native has seen action in 11 NBA games over three seasons with Toronto (2022-24) and Detroit (2024-25) with averages of 2.2 points and 1.3 rebounds in 6.2 minutes per game. In three appearances with Boston in the 2025-26 preseason, Harper Jr. averaged 4.3 points and 1.0 assists in 10.6 minutes per game. Prior to going undrafted in the 2022 NBA Draft, Harper Jr. spent four seasons at Rutgers (2018-22) where he posted averages of 12.6 points, 5.1 rebounds, and 1.4 assists in 121 career games (109 starts). He earned All-Big Ten Second Team honors his senior season after averaging a team-high 15.7 points per game and shooting a career-high 39.8 percent (68-171 3FG) from 3-point range. Harper Jr. is the son of former NBA first-round pick Ron Harper, and his younger brother, Dylan, currently plays for the San Antonio Spurs.