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The offensive line went threw a makeover last season under Howard Mudd. Only Jason Peters stayed at his position from 2010 to 2011. The Eagles added Evan Mathis late in training camp to add depth, but he instead ended up earning a starting spot at left guard.
They also drafted Jason Kelce, who started at center every game in 2011. Danny Watkins, a first-round pick in 2011, took awhile, but eventually earned a starting job as well. Todd Herremans was moved from left guard to right tackle shortly before the regular season.
Heading into the 2012 season, only left tackle remains in question. Jason Peters suffered a ruptured Achilles tendon while training for the upcoming season. He will likely miss the 2012 season at the very least. Mathis, Kelce, Watkins and Herremans will all remain at their current positions.
The Eagles signed Demetress Bell to repleace Peters this season at left tackle. He was the left tackle with the Bills last season. When healthy. Bell is athletic enough to thrive in Mudd's blocking scheme. As long as he can pick up on the scheme quickly and manage to stay healthy, he should be a solid starter in 2012.
The offensive line appeared to be on their way to becoming the best in the NFL before Peters went down. Now, with an adequate replacement in Bell, they should be back on track to becoming a truly elite line. Mathis, Kelce and Herremans all played on a Pro Bowl-caliber level last season, and Watkins got better and better each week.
It will be exciting to see just how good this unit can be this season.