Lewis said Walker, who spent the past four seasons with the New
York Giants, will compete for the Packers' nickel cornerback job
Lewis said Walker might have been the Giants' best coverage
cornerback last season, but Giants coach Tom Coughlin believed
Walker was too aggressive.
"He's tough," Lewis said. "Sometimes, a little too tough."
In November, Walker delivered a big hit on Tennessee Titans
cornerback Vince Young on a fourth-down play but was called for a
personal foul to extend the drive. The Titans went on to score a
touchdown on the drive and won the game; Coughlin called the play