NFL officiating is under scrutiny as the postseason field narrows and, especially, as quarterback Patrick Mahomes and his Kansas City Chiefs play on. The league could make additional adjustments to its instant replay system during the offseason to help deal with situations such as those that arose last weekend in the divisional round.

The referees are doing their best to call the game as fair and proper as best they can,” Mahomes said. “For me, it's go o