It has happened in the NBA before: https://www.basketballnetwork.net/old-school/the-only-nba-player-ever-to-play-and-score-for-two-teams-in-the-same-game https:

It has happened in the NBA before: https://www.basketballnetwork.net/old-school/the-only-nba-player-ever-to-play-and-score-for-two-teams-in-the-same-game https://www.basketballnetwork.net/old-school/the-only-nba-pl...