Denver's rise under Sean Payton has fantasy players buzzing as 2025 approaches. Chris Simms predicts an upset of Kansas City and a first AFC West crown for the Broncos, citing Chiefs fatigue and Payton's proven formula. Bo Nix in Year 2 in Payton's system, plus defensive reinforcements like Dre Greenlaw, give Denver a legitimate path to leap KC. KC's dynasty status hinges on maintaining peak performance from Mahomes and Kelce, while Te'o adds another veteran voice backing Denver's ascent.