- Jamison Hensley, ESPN Staff Writer
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Campanaro sustained the injury in the first organized team activity of the year for the Ravens. He won't require surgery but is expected to miss the next four weeks of offseason workouts.
"No one is more disappointed and frustrated with it than Camp," Harbaugh said. "He's been working hard. He's just have to get it right and get it ready for training camp."
Campanaro is considered one of the leading contenders to be the Ravens' returner and is expected to get a more expanded role as a slot receiver this season. But injuries have been an issue in his first two seasons. Hamstring injuries caused Campanaro to miss some of last year's OTAs and sidelined him for seven regular-season games.
The Ravens will likely begin training camp in late July.