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.

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,

The Baltimore Ravens will be without leading receiver Zay Flowers for their divisional round playoff game against the Buffalo Bills on Sunday night. The second-year player was listed as doubtful to play and will miss his second straight game after hurting his knee in a regular season-ending win over Cleveland.

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