Oklahoma City Thunder guard Alex Caruso sustained a concussion during Tuesday's season opener against the Houston Rockets and has been placed in the NBA's concussion protocol, the team announced Wednesday.

Caruso logged 30 minutes in the 125-124 double-overtime win, finishing with eight points, three assists, two rebounds and two steals off the bench.

Under the NBA's Concussion Policy, Caruso now begins the league's return-to-participation process, a multi-step progression that includes rest, monitored exertion and medical clearance. Players must be symptom-free at each phase before advancing, and there is no set timetable for completion, as recovery can vary from case to case.

Caruso, 31, was limited to 54 regular-season games last year due to various injuries but played a key role in

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