Kansas City made it 27 - 20 with just over one minute left in the game on Charcandrick West 's 1 - yard run .
Gronkowski smothered the onside kick attempt to protect the lead .
Kansas City made it 27 - 20 with just over one minute left in the game on Charcandrick West 's 1 - yard run , but Gronkowski smothered the onside kick attempt to protect the lead .