IRVING, Texas -- Could keeping the second tight end on the sideline be the key to success for the Cowboys' running game? That's certainly what the statistics indicate five weeks into the season. The Cowboys planned for two-tight end formations – "12 personnel" – to be their base package this season. While they've thrown the ball effectively out of those looks, the running game has sputtered, averaging only 3.63 yards on 52 carries. On the other hand, the running game has been remarkably successful with three wide receivers on the field, averaging 5.