While Tiffani Thiessen was busy being blindsided by a reunion with Mr. Belding on The Today Show, her Saved By The Bell co-star was getting naked on Extra. Mario Lopez certainly has no problem showing off his toned physique. This time around, his reason for doing so was due to losing a Super Bowl bet.

Last year, his Extra co-host Mario Menounos wore a NY Giants bikini in Times Square after the New England Patriots lost last year’s Super Bowl. This year, she was on the winning end and it was Mario’s turn to shed his clothes. The 39-year-old stripped down to his underwear (his brand Rated M of course) and ran around the Grove in Los Angeles wearing a Ravens helmet. Check out the clip below.

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He certainly loves parading around in his underwear. Here’s a picture of him decorating his tree during the holidays. I wonder what else he likes doing while just wearing his skivvies.