It's hard to believe, but the last time the Chiefs lost a game was Christmas last season...to the Raiders. The Chiefs have reeled off a string of 12 straight wins since then. Now those same Chiefs come to Las Vegas to face the team that was the last to send them off

The Chiefs made themselves at home when they were in Las Vegas in February for the Super Bowl. They practiced at the Raiders' facility and used their locker room at Allegiant Stadium. Marquez Valdes-Scantling planted a Chiefs flag in the field after Kansas City won its second consecutive championship and third in five years.

The Kansas City Chiefs (6-0) will try to remain unbeaten when they play their second straight road game on Sunday against the Las Vegas Raiders (2-5) at Allegiant Stadium in Week 8.