The Kansas City Chiefs announced that they have signed Kicker Harrison Butker and Offensive Tackle Mitchell Swartz to contract extensions. Butker was signed to a 5 year extension. The 23 year old has hit 62 of 69 field goal attempts and made 93 of 97 extra points in his two years with Kansas City. The 30 year old Swartz signed a one year extension. Swartz has not missed a snap in his 7 years in the NFL