For the first 50 minutes of Penn State’s 4-2 win over Michigan State, there wasn’t much to it. The Nittany Lions scored early in the first and owned the rest of that period. The Spartans scored 18 seconds into the second and owned the rest of that one. The first 10 minutes of the third were back-and-forth to the point of being routine. That didn’t last. At 11:32, the Spartans pulled ahead on Rhett Holland’s…