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 ...

For Dallas Fabian – a transport operator, farmer and vintage Mack parts specialist – his affinity for the bulldog brand ...

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 ...