The Chiefs’ coaching staff will look different next season after they missed the postseason for the first time in over a decade. Kansas City head coach Andy Reid let go of running backs coach Todd Pinkston, and two other assistants left for positions at the collegiate level, the Kansas City Star reported Thursday . Defensive assistant Louie Addazio is darting for UNLV’s offensive line coach position, and assistant defensive line coach Alex Whittingham is going to Michigan to coach under his