Ohio State's faltering pass attack, Michigan's sudden inability to close and Penn State's first-half sluggishness highlight the biggest concerns for the Big Ten this postseason.

The conference spent the better part of the regular season proving its supremacy in the college football hierarchy, placing four teams in the Top Eight of the final playoff rankings. All four of those teams—Ohio State, Penn State, Michigan and Wisconsin—will either suit up for a playoff matchup or in one of the New Year's Six bowl games, putting the Big Ten in the national spotlight. 

And to reinforce its reputation as college football's best league, it needs to prove its...

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