The Chiefs are 20-4 in the AFC West since Mahomes took over as the starter in 2018, and are 31-5 since 2016. They’ve defeated the Broncos 13 straight times (Denver’s last win in the series was in Week 2 of the 2015 season, when Peyton Manning was still the quarterback) and have won eight of their past nine games against the Raiders (and outscored the Raiders 89-23 in two games last year). Only the Chargers have proved to be remotely competitive with Kansas City, splitting their season series each of the past two seasons, and yet the Chargers still finished third in the division last year.