The Boston Celtics have signed guard Jonathan Gibson.

Gibson, 31, returns to Boston after playing in four games for the Celtics in 2017-18. He averaged 8.5 points on 60.9% shooting (50.0% 3-PT), including an 18-point performance (8-13 FG) in the team’s regular-season finale against Brooklyn on April 11. Gibson (6-2, 185 lbs.) has played in 21 career NBA games with Dallas and Boston, recording 6.7 points (41.5% FG, 36.8% 3-PT), 1.2 rebounds and 1.4 assists.

Gibson played in 44 games (14 starts) for the Qingdao Double Star Eagles of the Chinese Basketball Association in 2018-19, where he averaged 33.1 points (46.1% FG, 39.0% 3-PT, 86.5% FT), 6.1 rebounds and 3.6 assists. His 33.1-point scoring mark ranks eighth in the CBA.