By Andy Nesbitt Patrick Mahomes and the Chiefs lost in stunning fashion to Josh Allen and the Bills, 20-17, on Sunday, thanks largely to one mind-boggling mistake by one of their wide receivers that negated what could have been a winning TD in the final minutes. Mahomes’s receivers did not have a good day against the Bills and have been an issue all season long. Kadarius Toney had the most egregious mistake when he lined up offsides on the negated TD, which came on one of the coolest trick plays of the season. Tony Romo, who called the game for CBS, did not hold back on the Chiefs’ receivers, …