49ers are favored vs. Chiefs on Sunday, but Patrick Mahomes usually wins as an underdog NBC SportsNiners check SB tape, ‘moved on’ from Chiefs loss ESPNAhead of 49ers vs. Chiefs, here’s how teams fared in regular-season Super Bowl rematches The Mercury NewsFootball 301 Playbook: Patrick Mahomes and the Chiefs’ offense isn’t what it used to be, but it’s still a tough matchup for 49ers Yahoo SportsKyle Shanahan: Can’t get caught up in history with Chiefs this week NBC Sports