Last week: unranked <br><br>Bell disappeared for a few weeks as Tatum Bell took over in the Broncos' backfield, but the undrafted free agent out of Arizona bounced back in a big way against the Colts last week. Bell ran for 136 punishing yards and two touchdowns in a close loss. Look for Denver to turn to the hard-running rookie more as the season enters the second half.
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Last week: unranked <br><br>Landry shook off a sore knee and had two picks to help the Ravens beat the Saints last Sunday. That gives him three interceptions on the season, and he ranks fifth on this star-studded defense with 30 tackles.
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Last week: unranked <br><br>Ryans ranks seventh in the NFL with 63 tackles and continues to outshine fellow Texans rookie Mario Williams. Houston's defense isn't great, but Ryans has the physical skills and the mentality to be a star. He plays beyond his years.
4 of 10Matt Stamey/US PRESSWIRE
Last week: No. 1 <br><br>Bush struggled tremendously against the Ravens last week and hurt his ankle, but he should be back against the Bucs on Sunday. His numbers aren't great -- 212 rushing yards -- but opposing defensive coordinators still have to put energy into accounting for the No. 2 overall pick.
5 of 10David Bergman/SI
Last week: unranked <br><br>Jones-Drew had 77 rushing yards to help the Jags top the Eagles last Sunday. One week he'll kill you as a runner, the next as a receiver and then as a punt returner. The versatile and quick rookie out of UCLA should be Jacksonville's main offensive weapon for the rest of the season.
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Last week: No. 9 <br><br>Young may never put up big numbers, but the guy knows how to win. He threw for one touchdown and ran for another in a victory over the Texans last week. That's two in a row for Young and the Titans.
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Last week: No. 4 <br><br>Anderson has had at least one sack in his last four games and now ranks fourth in the NFL with 7.5 total; he has also forced fumbles in his last three games. He still is only a part-time player, but he's making a big impact in his role.
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Last Week: unranked <br><br>The Colts running back leads all rookie rushers with 447 yards, and last week against the Broncos he showed he could be an effective target for Peyton Manning. Addai had five catches for 37 yards in the big win.
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Last week: No. 10 <br><br>Maroney's rushing numbers have plummeted, but he has developed into one of the NFL's most potent kick returners. He's had two of 74 yards over the last two weeks.
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Last week: No. 2 <br><br>Every week that you expect the seventh-round pick to come down to Earth, he gets better. Colston had six catches for 163 yards and two touchdowns in New Orleans' loss to Baltimore last week. Quarterback Drew Brees loves Colston, and the former Hofstra receiver should continue to put up Pro Bowl-type numbers.
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