NFL's Rodger Saffold: I Always Wear A Rubber ... Wedding Ring

L.A. Rams lineman Rodger Saffold says he has some Kryptonite for any L.A. thots looking to pounce on him while he's training ... an all-weather, all-purpose wedding ring THAT HE NEVER TAKES OFF.

Saffold was at LAX when we asked him if he'd be tempted to try out some of the co-eds roaming USC's campus now that the Rams are gonna be playing there.

That's when Saffold flashed a black silicone wedding band from Qalo -- like the one Andy Dalton wore on "Hard Knocks" -- and revealed he uses it so his nicer one doesn't get scratched while he's playing.

Saffold also takes some time to tell us what type of Prince music he loves to listen to, and whether or not it's suitable turn-up tunes before the game.