There is no argument, they have to be able to BOTH run and pass effectively. The formation, say 11 personnel, 1 back 1 TE, and the defensive response, nickel, will play a big role in that regard. From that formation we can split Shady out and go 5 wides or motion him into the backfield and run against the nickel. Last game we went big 21 and 22 too much and Pats crowded the box and LOS