RJ Luis Jr.

Reggie Jason "RJ" Luis Jr. (born November 27, 2002) is an American professional basketball player for the Boston Celtics of the National Basketball Association (NBA), on a two-way contract with the Maine Celtics of the NBA G League. He played college basketball for the St. John's Red Storm and UMass Minutemen.

RJ Luis Jr.

No. 12 – Boston Celtics
Position	Shooting guard / small forward
League	NBA
Personal information
Born	(2002-11-27) November 27, 2002 (age 22)
Nationality	American / Dominican[1]
Listed height	6 ft 7 in (2.01 m)
Listed weight	215 lb (98 kg)
Career information
High school	Mt. Zion Prep Academy (Lanham, Maryland)
College	UMass (2022–2023) St. John's (2023–2025)
NBA draft	2025: undrafted
Career history
2025–present	Boston Celtics
2025–present	→Maine Celtics
Career highlights
Consensus second-team All-American (2025) Big East Player of the Year (2025) First-team All-Big East (2025) Big East tournament MOP (2025) Haggerty Award (2025) Atlantic 10 All-Freshman Team (2023)
Stats at NBA.com
Stats at Basketball Reference

Early life and high school

Coming out of high school, Luis was rated as the 233rd overall player in the class of 2022, where he committed to play college basketball for the UMass Minutemen.^[2]

College career

UMass

As a freshman in 2022–23, Luis appeared in 27 games with ten starts, where he averaged 11.5 points, 4.6 rebounds, 1.3 assists and 1.1 steals per game, while shooting 45.5 percent from the field and 34.8 percent from three-point range. He was named to the Atlantic 10 Conference all-freshman team.^[3][4] After the season, Luis entered his name into the NCAA transfer portal.^[5]

St. John's

Luis transferred to play for the St. John's Red Storm.^[6] In his first season with the Red Storm in 2023–24, he appeared in just 23 games with ten starts due to being hampered by a hand injury, where he averaged 10.9 points and 4.6 rebounds per game.^[7][8] On February 7, 2025, Luis dropped 21 points and seven rebounds in a win over UConn.^[9] On February 16, 2025, he notched 21 points, 14 rebounds and five assists in a win over #24 Creighton.^[10] On March 1, 2025, he scored 21 points and grabbed six rebounds in a win over Seton Hall to clinch the Big East championship.^[11][12][13]

Professional career

Boston Celtics (2025–present)

On June 26, 2025 after being undrafted in the 2025 NBA draft, Luis signed a two-way contract with the Utah Jazz.^[14] On August 6, Luis was traded alongside an $8 million trade exception to the Boston Celtics in exchange for Georges Niang and two future second-round draft picks.^[15]