Lakers guard Ben McLemore was involved a single-car accident in the hours following his team's huge win over the Warriors ... but, thankfully, he was uninjured -- TMZ Sports has learned.
Law enforcement sources tell us sometime Thursday morning -- shortly after the Lakers beat the Warriors in their play-in game Wednesday night -- cops responded to a 911 call for an accident in Playa Vista, Calif.
We're told when officers arrived on the scene, they found McLemore and his crashed Ford truck .