Chiefs clinch No. 1 seed when Falcons' Koo misses late FG

Atlanta Falcons linebacker Foyesade Oluokun, right, is congratulated by teammate Steven Means after intercepting a pass from Kansas City Chiefs quarterback Patrick Mahomes during the second half of an NFL football game, Sunday, Dec. 27, 2020, in Kansas City. (AP Photo/Jeff Roberson)

Atlanta Falcons linebacker Foyesade Oluokun is tackled by Kansas City Chiefs center Austin Reiter after intercepting a pass from Chiefs quarterback Patrick Mahomes during the second half of an NFL football game, Sunday, Dec. 27, 2020, in Kansas City. (AP Photo/Jeff Roberson)

Kansas City Chiefs tight end Travis Kelce (87) is congratulated after catching a four-yard touchdown pass during the first half of an NFL football game, Sunday, Dec. 27, 2020, in Kansas City. (AP Photo/Jeff Roberson)

Atlanta Falcons safety Keanu Neal intercepts a pass intended for Kansas City Chiefs quarterback Patrick Mahomes during the first half an NFL football game, Sunday, Dec. 27, 2020, in Kansas City. (AP Photo/Charlie Riedel)

Kansas City Chiefs tight end Travis Kelce is tackled by Atlanta Falcons Foyesade Oluokun during the first half of an NFL football game, Sunday, Dec. 27, 2020, in Kansas City. (AP Photo/Jeff Roberson)