Walker was sidelined by a blow to the head in the first half and the team said his return was questionable.|||||||
It wasn't immediately clear when Walker, the backup behind Daryl Washington at an inside linebacker spot, was hurt against the Rams on Thursday night. The injury was announced in the second quarter. Walker has played in all four games as a reserve and on special teams.
The Arizona Cardinals have agreed to terms on a three-year contract for long snapper Mike Leach and a two-year deal with Walker.|||||||
Walker played in all 16 games for Arizona last season and was second on the team with a career-high 16 special teams tackles. He has played three seasons for the Cardinals after joining the team as an undrafted rookie free agent in 2009.