The Chiefs will be without another key figure in kicker Harrison Butker as they put their undefeated record on the line Sunday vs. the Bills.

The Kansas City Chiefs will be without Harrison Butker for at least four games after the veteran kicker was placed on the defending Super Bowl champions' injured reserve list. Butker is dealing with a knee injury and is set to be replaced by rookie boot Spencer Shrader,

Chiefs kicker Harrison Butker had surgery to repair the meniscus in his left, non-kicking knee on Friday, though coach Andy Reid said following practice that the two-time defending Super Bowl champions hope to have him back later this season.