Clayton signed a two-way contract with the Mavericks on Wednesday, Shams Charania of ESPN reports.
Clayton will join the Mavericks on a two-way deal after being waived by the Grizzlies on Monday. The No. 18 overall pick in the 2025 NBA Draft appeared in 69 regular-season games (six starts) between the Jazz and Grizzlies in his rookie campaign, averaging 7.8 points, 4.0 assists, 2.0 rebounds and 0.6 steals while shooting 38.4 percent from the field in 20.4 minutes per contest.