Falcons kicker Younhoe Koo says turf played role in missed kick
Chiefs clinch No. 1 seed when Falcons' Koo misses late FG
NFL capsules: Chiefs clinch AFC's top seed, Steelers win AFC North
Chiefs clinch No. 1 seed when Falcons' Koo misses late FG - Fox
NFL: Chiefs beat Falcons to clinch top playoff seed in AFC - Los