India, Oct. 23 -- 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...