More and more, it feels like a special season for the Harvard Crimson. On Saturday, Harvard defeated Penn, 31-28, with backup players filling key roles at the end. With the win, Harvard clinches a share of the Ivy League title. If the Crimson beat Yale next week, they win the Ivy League title outright. “Obviously, we’re all really excited,” first-year Harvard coach Andrew Aurich said. “Not surprising, because these guys……