Getty Kansas City Chiefs quarterback Patrick Mahomes believes his team is just starting to hit its stride ahead of the NFL playoffs. The Kansas City Chiefs completed a three-game sweep of the 11-day sprint that began on December 15 in Cleveland and eventually ended on Christmas Day versus the Pittsburgh Steelers — and quarterback Patrick Mahomes believes his team is just beginning to hit its stride heading into the NFL playoffs. “Yeah, I mean, [the 11-day stretch] showed the toughness of the