Indianapolis Colts wide receiver Pierre Garcon (85) is tackled by Baltimore Ravens cornerback Frank Walker, left, during the first half of an NFL divisional football playoff game, Saturday, Jan. 16, 2010, in Indianapolis. (AP Photo/Mark Duncan)

Baltimore Ravens cornerback Frank Walker (41) breaks up a deep Brett Favre pass to Minnesota Vikings Bernard Berrian in the fourth quarter of an NFL football game Sunday, Oct. 18, 2009, in Minneapolis. Walker was charged with pass interference. The ...

Baltimore Ravens cornerback Frank Walker (41) holds wide receiver Yamon Figurs in a headlock as teammates try to break up the fight after a play during preseason practice at McDaniel College in Westminster, Maryland, Tuesday, August 11, 2009. (Karl Merton ...

Baltimore Ravens cornerback Frank Walker (41) hammers wide receiver Ernie Wheelwright (17) while attempting a pass reception during preseason practice at McDaniel College on Thursday, August 6, 2009, in Baltimore, Maryland. (Karl Merton Ferron/Baltimore Sun/MCT) Photo via Newscom