Cal coach Jeff Tedford always has made a point of giving his backup running back significant playing time. And going into each season, it always seemed obvious who that No. 2 tailback would be. Justin Forsett was there to back up Marshawn Lynch. Jahvid Best was the guy to spell Forsett. And for the past two seasons, Shane Vereen was the clear-cut backup to Best. With Best off to the NFL, Vereen now becomes the Bears starter. But what isn't clear for the first time in years is who will be the first tailback off the bench when Vereen needs a break. "It's definitely Shane, and (then) we don't know," Tedford said. "It's always been a pretty clear-cut top two. Now, we know that Shane is our starting tailback. There's a lot of evaluation that needs to happen with three or four more guys....

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