By Jennifer Piacenti The Chiefs have passed the Bills at SI Sportsbook as the Super Bowl LVII favorites. The Chiefs (9-2) have surpassed the Bills (8-3) as Super Bowl favorites at SI Sportsbook. The Bills entered the season as the favorites and maintained that status before their recent mediocre play led to the Chiefs passing them in the standings. Buffalo has lost two of its last four games and struggled with the Lions and Browns. The Chiefs, meanwhile, have won five straight since their 24-20 home loss to the Bills in Week 6. Kansas City finishing with a better record than Buffalo could resu…