The Chicago Bears defense celebrate a touchdown by Zackary Bowman (38) against the Arizona Cardinals in the first half during their NFL football game in Phoenix, Arizona December 23, 2012. REUTERS/Darryl Webb (UNITED STATES - Tags: SPORT FOOTBALL) 

Chicago Bears cornerback Zackary Bowman falls on a fumble in the end zone for the Bears' first touchdown against the Arizona Cardinals in the first half during their NFL football game in Phoenix, Arizona December 23, 2012. REUTERS/Darryl Webb (UNITED STATES - Tags: SPORT FOOTBALL) 

Denver Broncos wide receiver Demaryius Thomas (R) catches a first down throw past Chicago Bears cornerback Zackary Bowman in their NFL football late in the game in Denver December 11, 2011. REUTERS/Rick Wilking (UNITED STATES - Tags: SPORT FOOTBALL) 

San Diego Chargers wide receiver Legedu Naanee catches a first quarter touchdown pass past Chicago Bears Chris Harris (46) and Zackary Bowman (R) during their pre-season NFL football game in San Diego, California August 14, 2010. REUTERS/Mike Blake (UNITED STATES - Tags: SPORT FOOTBALL) 

Baltimore Ravens quarterback Joe Flacco (R) is shoved out of bounds by Chicago Bears cornerback Zackary Bowman during the first half of their NFL football game in Baltimore, Maryland, December 20, 2009. REUTERS/Joe Giza (UNITED STATES - Tags: SPORT FOOTBALL) 

San Francisco 49ers quarterback Alex Smith (11) is sacked by Chicago Bears' Zackary Bowman (35) and Marcus Harrison (34) in the first half of their NFL football game in San Francisco, California, November 12, 2009. REUTERS/Kim White (UNITED STATES SPORT FOOTBALL) 

Cincinnati Bengals wide receiver Laveranues Coles (11) makes the catch under pressure from Chicago Bears' Zackary Bowman (35) during the first half of their NFL football game Paul Brown Stadium in Cincinnati, Ohio, October 25, 2009. REUTERS/John Sommers II (UNITED STATES SPORT FOOTBALL) 

Chicago Bears' Zackary Bowman intercepts a pass intended for Minnesota Vikings' Aundrae Allison (34) as the Bears' Kevin Payne (44) looks on during the fourth quarter of their NFL football game in Chicago, October 19, 2008. REUTERS/John Gress (UNITED STATES) 

Chicago Bears Zackary Bowman celebrates a touchdown on the Minnesota Vikings during the first half of their NFL game in Chicago October 19, 2008. REUTERS/John Gress (UNITED STATES)