Williams-Goss was drafted with the 55th overall pick by the Utah Jazz during the 2017 NBA Draft. He spent 2017-18 with Partizan of the Serbian KLS. Williams-Goss then played the 2018-19 season in Greece with Olympiakos of the GBL. Williams-Goss made his NBA debut for the Utah Jazz on Oct. 25, 2019 against the Los Angeles Lakers, but only appeared for 28 seconds of run. The next day against Sacramento, he recorded an assist in 5 minutes of play during a win over the Kings. Williams-Goss scored the first field goal of his NBA career on Jan. 8 against the New York Knicks and finished the game with two points, one rebound and an assist in four minutes of play. Williams-Goss also appeared in 17 games for the G League's Salt Lake City Stars. With Salt Lake, he averaged 15.3 points and 5.5 assists per G League game. Williams-Goss suffered a left quadriceps contusion in February and missed the remainder of a contracted NBA season. He finished the year having played nine games at the NBA level and averaged 0.4 points and 0.6 assists per contest for the Jazz.
June 22, 2017Drafted by the Utah Jazz in the 2nd round (55th pick) of the 2017 NBA Draft and signed his rookie contract shortly therafter.
July 19, 2019Signed a three-year contract with the Utah Jazz.