(Photo credit: Charles LeClaire-Imagn Images)After each team split its first two games, the Pittsburgh Steelers and the New England Patriots will both be looking to climb over the .500 mark Sunday when they meet in Foxborough, Mass. Run defense will be a key for Pittsburgh, which allowed 117 yards rushing on 29 attempts during last Sunday's 31-17 loss to Seattle. The Steelers gave up 182 yards rushing in a 34-22 victory over the New York Jets in Week 1. Cornerback Darius Slay (rest), cornerback Joey Porter Jr. (hamstring), safety DeShon Elliott (knee), linebacker Alex Highsmith (ankle), and linebacker T.J. Watt (rest) did not participate in practice on Wednesday. 'We had the desire to improve our run defense, and I thought, particularly initially, we did.