▁first ▁team ▁in ▁NFL ▁history ▁to ▁fall ▁behind ▁by ▁as ▁many ▁as ▁ 2 0 ▁points ▁in ▁the ▁first ▁half ▁but ▁still ▁lead ▁at ▁hal ft ime . ▁ ▁The ▁Chief s ▁would ▁extend ▁their ▁lead ▁on ▁the ▁opening ▁possession ▁of ▁the ▁third ▁quarter , ▁going ▁ 8 5 ▁yards ▁in ▁ 7 ▁plays , ▁the ▁longest ▁a ▁ 4 8 - yard ▁catch ▁by ▁Sam my ▁Wat kins . ▁ ▁Williams ▁ran ▁the ▁ball ▁in ▁from ▁the ▁goal - line , ▁increasing ▁their ▁lead ▁to ▁ 3 4 - 2 4 ▁after ▁Harrison ▁But ker ▁missed ▁the ▁extra ▁point . ▁After ▁forcing ▁another ▁Tex ans ▁punt , ▁the ▁Chief s ▁took ▁advantage ▁of ▁another ▁pass ▁inter ference ▁penalty ▁against ▁Houston ▁and ▁a ▁ 2 8 - yard ▁completion ▁from ▁Mah om es ▁to ▁Kel ce , ▁scoring ▁on ▁their ▁sixth ▁straight ▁possession ▁with ▁another ▁Williams ▁touch down ▁run ▁to ▁give ▁them ▁a ▁ 4 1 – 2 4 ▁lead ▁with ▁ 4 : 3 9 ▁left ▁in ▁the ▁quarter . ▁Houston ▁finally ▁sn apped ▁Kansas ▁City ’ s ▁ 4 1 - point ▁run ▁when ▁Watson ▁completed ▁ 4 ▁passes ▁for ▁ 8 0 ▁yards ▁and ▁finished ▁the ▁drive ▁with ▁a ▁ 5 - yard ▁touch down ▁run , ▁making ▁the ▁score ▁ 4 1 - 3 1 ▁with ▁ 2 4 ▁seconds ▁left ▁in ▁the ▁third ▁quarter . ▁ ▁Kansas ▁City ▁would ▁make ▁it ▁seven ▁touch down s ▁in ▁a ▁row , ▁setting ▁a ▁new ▁post season ▁record , ▁on ▁a