Terrell Owens was hit by a car on Monday night ... and it's all because he got into a tiff with someone during a pickup basketball game earlier in the evening ... this according to cops.
Law enforcement tells TMZ Sports ... Owens had been hooping in the Calabasas area when he apparently got into an argument with someone else on the court.
We're told following the game, the man who had been beefing with the NFL legend got into a car .