Tennessee Titans defensive back Logan Ryan is PISSED at a Cleveland Browns fan who splashed him -- and his teammates -- with beer after a TD ... and now he's calling on the NFL to punish the guy.
It all went down in the 4th quarter of the Titans blowout victory over the Browns at FirstEnergy Stadium in Cleveland ... right after Tenn. star Malcolm Butler scored on a pick-6.
You can see Butler, Ryan and other Titans jump into the stands to celebrate with a Titans fan -- when a guy in a Browns jersey starts throwing his beer on all of the opposing players.