Getty Kansas City Chiefs offensive coordinator Eric Bieniemy (left) with head coach Andy Reid (right). The Kansas City Chiefs filled roster holes through the NFL draft and undrafted free agency, and now the team is making a subtraction from the roster. The team announced this week that they waived second-year running back ShunDerrick Powell, clearing a spot on their 90-man roster. The move came months after the team gave Powell a new contract and a ticket back for offseason practices and comes