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 ...

Bills wide receiver Mack Hollins showed up to Highmark Stadium ... wild-card round he came to Highmark Stadium dressed as Fred Flintstone with a Buffalo hat with horns on his head.

Buffalo Bills wide receiver Mack Hollins is known for his quirky ... wild-card matchup against the Denver Broncos dressed as Fred Flintstone complete with the barefoot look, and he had something ...

Mack Hollins arrives for the AFC Championship ... He also dressed as Fred Flintstone in the past, sporting a wig. Hollins clearly enjoys having fun as part of his pre-game ritual.

Mack Hollins dressed up as Fred Flintstone. Just like today, he was barefoot and also picked a hat to add to the outfit. The Bills have the chance to play against the Kansas City Chiefs again ...

Mack Hollins' pregame outfits are still on fire ... Hollins entered Highmark Stadium in a Fred Flintstone costume and fuzzy Buffalo hat with horns before the Bills routed the Broncos in the ...

The Miami Dolphins have more than 27 players scheduled to become unrestricted free agents with the start of the new league ...

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 ...

Buffalo Bills wide receiver Mack Hollins seems to be a Muppets fan ... He also dressed as Fred Flintstone in the past, sporting a wig. Hollins clearly enjoys having fun as part of his pre-game ...