Five keys for the Penn State defense against Michiganby:Thomas Frank Carr•11/09/23•ThomasFrankCarrRead In AppPenn State Nittany Lions defensive end Chop Robinson (44) celebrates following a sack on Massachusetts Minutemen quarterback Taisun Phommachanh (3) during the second quarter at Beaver Stadium. Penn State defeated Massachusetts 63-0. (Matthew O'Haren-USA TODAY Sports)