The latest season-ending, offseason Achilles injury to strike an NFL player is a particularly cruel one.

Philadelphia Eagles left tackle Jason Peters ruptured his Achilles for a second time this spring during a training session when the equipment he was using broke, according to Comcast SportsNet. Peters, who was recovering from surgery after initially hurting his Achilles in a March 27 workout, was using the Roll-A-Bout, which its website says is “a modern solution to the ‘age-old’ crutch.” It’s basically a small cart on which one kneels with the injured leg. Peters weighs 340 pounds, according to the Eagles’ website.

The setback for Peters, 30, raises doubts about the future of the five-time Pro Bowl player. “It's going to make the road to recovery that much more difficult,” said Phillip Kwong, a foot and ankle surgeon at Kerlan-Jobe Orthopedic Clinic in Los Angeles, told’s Jeff McLane. Kwong did not treat Peters. “It's not as clear-cut as the first time. Whatever he had the first time, he's added another obstacle.”

After Peters’s first injury, the Eagles signed free agent Demetress Bell. King Dunlap is also a contender at the position.

Last week, Tampa Bay defensive end Da’Quan Bowers injured his Achilles; Baltimore Ravens linebacker Terrell Suggs tore his the week before.

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