Patrick Mahomes and the Kansas City Chiefs left livid after costly offside penalty wipes out potential game-winning touchdown

The Buffalo Bills escaped Arrowhead Stadium with a narrow 20-17 win over the Kansas City Chiefs on Sunday, but the game was not without controversy.

Chiefs QB Patrick Mahomes, HC Andy Reid take issue with offensive offsides call in loss to Bills

Patrick Mahomes After A Touchdown

Patrick Mahomes and the Kansas City Chiefs left livid after costly, Kansas City Football

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Bills get go-ahead field goal late, take advantage of Chiefs penalty to hold on for 20-17 win, Newsletter, purpose game anatomy

Bills get go-ahead field goal late, take advantage of Chiefs penalty to hold on for 20-17 win, Newsletter, purpose game anatomy

Patrick Mahomes and the Kansas City Chiefs left livid after costly offside penalty wipes out potential game-winning touchdown

Chiefs' Reid still incensed that flag was thrown with no warning for costly offside

Patrick Mahomes and the Kansas City Chiefs left livid after costly offside penalty wipes out potential game-winning touchdown

NFL coach says Patrick Mahomes 'flopped' on late hit that set up game- winning field goal

Patrick Mahomes LOSES His Mind After Loss + Held Back By Teammates & Spikes Helmet! Chiefs - Bills