‘Which’ Wednesday: Is talent or coaching driving the new-look Chiefs offense?

Walker and rookie Emmett Johnson have brought a much-needed boost to the talent in the backfield, but the whole unit is now being coached by offensive coordinator Eric Bieniemy, along with veteran receivers coach Chad O'Shea and former All-Pro running back DeMarco Murray , who is directly teaching Walker, Johnson, and second-year back Brashard Smith .

So which side of the coin deserves more credit for the effective offense: the coaching staff refresh or the upgraded talent in the backfield? Let us know in our poll on The Feed.

Head coach Andy Reid was asked about Kansas City 's success using play action this season compared to last year during his press conference on Wednesday.