The defending champions will be short-handed for Game 4.
Oklahoma City Thunder guard Ajay Mitchell has been ruled out for Sunday's game against the San Antonio Spurs with a right calf strain, per the NBA injury report.
Mitchell is enjoying a breakout playoffs as the Thunder's fourth leading scorer. He's averaging 15.1 points, 4.3 assists, 3.7 rebounds and 1.6 steals through 11 games.
The 23-year-old suffered the injury in the Thunder's Game 3 victory on Friday. He exited with two points, five rebounds and an assist in 17 minutes.
Mitchell emerged as the Thunder's sixth man this campaign. He averaged 13.6 points, 3.6 assists, 3.3 rebounds and 1.2 steals through 57 games in his sophomore season.
The Thunder will look to take a commanding 3-1 lead in the Western Conference Finals on Sunday.
