Big Ten rankings: No. 11, Mike Martin

This is the first of a special batch of two installments in the Big Ten Top 25 player countdown today. As a reminder, these rankings are based on performance during the 2011 season and a player's impact on his team, and not on factors such as NFL potential. Just outside the Top 10 is a guy who had a great career and a major impact on the 2011 season: No. 11: Mike Martin, DT, Michigan, Sr., 6-2, 304 Preseason rank: No. 10 2011 numbers: Registered 64 tackles, including six for loss and 3.