Oakland Raiders (first stint) Walker was frequently used as a
field goal blocker. He blocked a potential game-winning field goal against the
Denver Broncos on November 28, 2004.
Buffalo Bills Walker was the starting right tackle for the Bills since coming to Buffalo as an unrestricted free agent March 2, 2007. Walker and the Bills agreed to a 5-year, $25 million contract with a $10 million signing bonus. Walker started all 16 games in 2007. He was part of offensive line that allowed only 26 sacks, the fewest allowed by Buffalo since sacks became an official NFL statistic in 1982. He helped pave the way for over 100 yards rushing in 11 of 16 games and a 112.5 yards per game rushing average. In 2008 Walker hosted the internet series 68 Seconds with Langston Walker. Despite being expected to replace
Jason Peters at left tackle in 2009, the Bills released Walker after failed attempts to trade him on September 8.
Oakland Raiders (second stint) Walker was re-signed by the
Oakland Raiders on October 14, 2009, and assigned No. 70. He was re-signed on April 2, 2010. ==References==