That's because he was dressed like one ... Fred Flintstone. Tweets by mackhollins This article originally appeared on Touchdownwire: Mack Hollins of Bills arrives dressed as Fred Flintstone ...

Mack Hollins had a “yabba-dabba-doo time ... For the occasion, he dressed up as the stone-age cartoon character Fred Flintstone. Much like the iconic caveman from Hanna-Barbera's The Flintstones ...

Mack Hollins went from an unheralded free agent signing in 2024 to a Bills Mafia fan favorite and locker room favorite for ...

And if you're following along, you'll guess correctly that Fred the Flintstone/Mack Hollins wasn't wearing any shoes. He does still wear cleats on the field, where he grew into a favorite red-zone ...

Arriving to gameday dressed as Fred Flintstone doesn't mean you're going ... Hollins admitted that he as long admired the Bills approach. Mack Hollins returns the onside kick inside the 5!

Football weather? Buffalo Bills wide receiver Mack Hollins hasn't heard of it. To him, it's beach weather in effect ahead of Sunday's Divisional Round matchup against the Baltimore Ravens.

Beat drums. Beat drums. Beat Chiefs. Buffalo Bills wide receiver Mack Hollins has been likened to an untamed beast. Enter the Animal. Hollins walked into Arrowhead Stadium dressed head to almost ...

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Mack Hollins went from an unheralded free agent ... Whether it was dressing up as Animal from the Muppets or Fred Flintstone, fans ate up Hollins' personality. On the field, Hollins stood out ...