You’ve seen a barefoot Mack Hollins roaming around a frozen Highmark Stadium in Buffalo. But have you ever seen a barefoot Mack Hollins wearing only a bathing suit in freezing temperatures? Well, now you have.

Week 13, following a snowstorm in Western New York, he showed up dressed as a mad scientist, and when the Bills faced the Broncos in the wild-card round he came to Highmark Stadium dressed as Fred Flintstone with a Buffalo hat with horns on his head.

Mack Hollins continued to bring his outlandish pre-game fits to Highmark Stadium for the Buffalo Bills' NFL Playoff showdown against the Baltimore Ravens.

Buffalo Bills wide receiver Mack Hollins is known for his quirky pregame routines, and his pregame outfits. The first-year Bill showed up to the wild-card matchup against the Denver Broncos dressed as Fred Flintstone complete with the barefoot look,

Mack Hollins of the Buffalo Bills continues to top himself when it comes to wardrobe. A week after arriving as Fred Flintstone, the wideout/special teams star came to Sunday’s Baltimore Ravens-Buffalo Bills playoff game ready for the beach.

The game time temperature for Sunday night's game in Buffalo between the Bills and the Ravens is set for a freezing-cold 20 degrees—but that didn't stop Mack Hollins from pulling off another one of his fire pre-game outfits.