"The way Darren McFadden has been playing, the only thing that could stop the Raiders' running back was another injury. And there it was, early in the fourth quarter, when he pulled up on a 23-yard run, grabbing his right hamstring. "I was trying to go for another gear and I just pulled up," he said. "I tried to get out (of bounds) first because I didn't want to pull it too fast." He was done for the day, after catching six passes for 82 yards, running 12 times for 47 yards and making a great block on fullback Marcel Reece's touchdown catch. McFadden will see trainers today and "take it day to day." He missed most of training camp with a tight left hamstring. McFadden, who has 554 yards rushing and receiving this season, had a tough time watching the rest of the game. "Yeah, it's real hard because you want to be out there helping them fight," he said." Read more: http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2010/10/04/SPOE1FNROK.DTL