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Chad Clifton, Green Bay Packers
Of all the offensive linemen on this list, Clifton may be the most injury-prone. He missed 10 games in 2011 and another four in 2009.
Clifton is getting up there in age, so his proneness to injury might force him to retire a little early.
Jared Gaither, San Diego Chargers
Gaither is a huge player with loads of talent, but he just can't stay on the field long enough to show everyone just how good he can be.
In his six NFL seasons, he's only played in all 16 games once.
Matt Light, New England Patriots
Earlier in his career, Light appeared to be much more prone to injuries. However, he has missed five games in the past three years, which shows that he is still suspect to an injury or two.
If Light can stay healthy, he is one of the best in the game.
Tony Ugoh, New York Giants
Ugoh was originally drafted by the Indianapolis Colts and saw some decent playing time his first two seasons.
Unfortunately, he suffered injuries and was eventually waived by the team following the 2009 season. Due to being injury-prone, he now has difficulty staying on a roster.
Max Starks, Pittsburgh Steelers
Starks has had back-to-back shortened seasons because of injuries.
At 30 years of age, the injuries may continue for him.