ALAMEDA, Calif. -- The Oakland Raiders re-signed offensive lineman Langston Walker on Wednesday and waived injured fullback Oren O'Neal.
The Raiders need help on an offensive line that has been hurt by injuries to left guard Robert Gallery and right tackle Cornell Green.
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Erik Pears started three games, first at guard and then at tackle last week. Pears has struggled, committing four false starts already to tie for the league lead in that category.
The Raiders had three players starting at different positions last week than they had in the opener, with center Chris Morris moving to left guard, backup Samson Satele starting at center and Pears at right tackle.
"We'll see if he can get in and learn the system and see if he can do our system," coach Tom Cable said. "He certainly wouldn't be able to do it this week. Maybe in a week he'll have a chance to, get enough practice."
Walker's weight is down from 380 pounds to about 362, Cable said, which is still very big for a zone blocking lineman who needs to be athletic enough to get upfield to make blocks.
Walker came in for a tryout last week, and the Raiders waited a week before deciding to bring him back for a second stint. Walker has mostly played in a power-blocking scheme and will have to learn the zone system employed in Oakland.
"It's slightly different, but I think I can do it. I'm athletic enough. I guess if I couldn't they wouldn't bring me in," he said. "I think it's more about learning the playbook. That's the biggest issue standing in front of me. Different words and signals and nomenclature and different quarterback."
"It was real tough. This has always been my childhood favorite team, but business is business," he said. "We all know how the NFL is."
Oakland has struggled mightily on offense the past four weeks, scoring just two offensive touchdowns and failing to reach 200 yards of offense in any of the games. The Raiders joined last year's Cleveland team as the only ones in the past 32 years to go four straight games with less than 200 yards of offense.
The Raiders are averaging just 3.3 yards per carry and allowed six sacks in last week's 44-7 loss to the New York Giants.
"It will be good. He's a great player," left tackle Mario Henderson said. "It's good any time you can add a player this skilled to the team."
O'Neal was a sixth-round pick by the Raiders in 2007 and began this season as the team's starting fullback before losing the job to Luke Lawton. O'Neal then injured his ankle and was waived by the team. If no team claims him on waivers, he will be placed on Oakland's injured reserve list.
Lawton missed practice Wednesday with an ankle injury, leaving Gary Russell as the only healthy fullback on the team. Rookie tight end Brandon Myers could get some time at fullback this week if necessary, Cable said.
Notes: WR Chaz Schilens practiced for the first time since breaking a bone in his left foot Aug. 18 in a joint practice against the 49ers. He was limited but will do more each day this week and could play Sunday. ... Gallery did not practice and is questionable this week after breaking a bone in his left leg in Week 2. ... DE Greg Ellis missed practice with a sore knee but will play Sunday.
Copyright 2009 by The Associated Press
