Marcell Dareus joins Mario Williams in questioning Buffalo Bills coach Rex Ryan's calls - ESPN
Buffalo Bills: Mario Williams willing to take pay cut on contract - Sports Illustrated
Bills land Super Mario in NFL free agency
Mario Williams catching the red eye
Mario Williams chooses jersey number
Pollock: Bills' spin control on Lawson is insulting, Sports
Cardinals will evaluate former Bills DE Mario Williams
NFL notebook: Buffalo Bills to cut Mario Williams in upcoming offseason
Bills count on Mario to contain Brady
Mario Williams' ex-fiancee pushes back with countersuit
Buffalo Bills plan to cut Mario Williams in off-season - Sports Illustrated
Mario Williams has worst DE contract in NFL - The Phinsider