The Oakland Raiders filled their void at left tackle on Wednesday by signing free agent Donald Penn to a two-year contract. Penn fills the opening created when Jared Veldheer left as a free agent for Arizona and left unfilled when Rodger Saffold failed his physical after agreeing to a five-year, $42.5 million deal with Oakland. Penn, who turns 30 next month, was released earlier this month by Tampa Bay after the Buccaneers signed Anthony Collins to a five-year, $30 million contract to take over at left tackle. I wish the season started in a month.'' Penn struggled in pass protection last season with Tampa Bay, allowing 12 sacks, including nine in the final six games, according to Pro Football Focus. More...