Glen "Big Baby" Davis just plead no contest to felony battery stemming from an April 2018 incident at a West Hollywood nightclub -- but he ain't going to jail, TMZ Sports has learned.
We broke the story ... the former Boston Celtics player was accused of beating the hell out of a man outside Factory nightclub -- causing major injuries.
In fact, the victim was hospitalized for fractures in his face and ribs as well as a broken tooth.
Sources told us ... it all started when Davis almost hit the man with his car -- when the man confronted the NBA player, Davis allegedly picked him up and slammed him on the concrete.