Thunder rally after allowing late 30-0 run and defeat Mavericks 126-120

Dallas Mavericks guard Seth Curry (30) looks to shoot against Oklahoma City Thunder guard Luguentz Dort (5) during the first half of an NBA basketball game in Dallas, Saturday, Dec. 2, 2023. (AP Photo/LM Otero)

Oklahoma City Thunder guard Shai Gilgeous-Alexander (2) passes against Dallas Mavericks defenders Derrick Jones Jr. (55), Richaun Holmes (20) and Luka Doncic (77) during the first half of an NBA basketball game Saturday, in Dallas. (AP Photo/LM Otero)

DALLAS— Jalen Williams scored 23 points to lead eight Oklahoma City scorers in double figures as the Thunder rallied after allowing a 30-0 Dallas run in the fourth quarter and beat the Mavericks 126-120 on Saturday night.