Alex Barron, who has not played in the NFL the past two years, has replaced Veldheer but the Raiders are still figuring out who the starting five will be when the season starts.
"Every day we get a little closer to being able to sort it out," Allen said. "It's like having a 500-piece jigsaw puzzle and you're trying to fit those pieces together,Stitched Jerseys
, and the longer you work at it, the longer you look at it, the easier it is to put those pieces into place. I think we're getting closer to figuring that out and I think the offensive line has responded positively."