Pittsburgh Steelers safety Troy Polamalu has been named the 2010 NFL Defensive Player of the Year by the Associated Press, according to a report in the Pittsburgh Tribune-Review. Polamalu, 29, had 63 tackles, a sack, seven interceptions, and a forced fumble in 14 games last season. The Ball Says: The 8th year pro beat his mane competition for the award, Green Bay linebacker Clay Matthews, by a hair, 17 votes to 15. Polamalu is certainly a difference maker on the [...]