While the college football world has been fascinated with catfish stories (at least at Michigan and Notre Dame) and recruiting classes, these stories and players will likely have only a small impact on the 2013 season. More critical are the star players anchoring each Big Ten team right now.
Each team has "that guy." The one who causes fans to groan in agony when they think about how the team would fare without the star player.
Although many teams would likely place this burden on a quarterback, other teams have more critical leadership at other positions thanks to thin depth or lack of upperclassmen leaders. There's no surefire way to measure just how important "that guy" is to each of these teams.
But who exactly is this irreplaceable player for each Big Ten team in 2013? Let's take a look.