By Tyler Lauletta The Chiefs and Bills put together another instant classic on Sunday, and it almost ended with the wildest trick play of the NFL season. Late in the fourth quarter with the Bills leading 20-17, the Chiefs had the ball near midfield, needing a field goal to tie and a touchdown to win. Facing second-and-10, Patrick Mahomes found tight end Travis Kelce open about 20 yards downfield. Kelce worked the space he had, but rather than going down with the ball, he pivoted and threw a backwards pass across the field to wide receiver Kadarius Toney, who was streaking down the field uncove…