By Tyler Lauletta Late in the fourth quarter of Week 14’s game between the Chiefs and Bills, Travis Kelce made one of the greatest plays of his career. With Kansas City trailing 20–17 just past midfield, Kelce caught a pass 20 yards downfield and turned up looking for more. But rather than accepting his fate when the defense closed in for a tackle, Kelce pivoted and threw a backward pass across the field to wide receiver Kadarius Toney. Toney was wide open and scampered into the end zone untouched. The Chiefs took a 23–20 lead. Except they didn’t. Officials had thrown a flag right at the snap …