So the knee kept bothering him, and his summer workouts were limited to rest and rehabilitation.
This year's Hurricanes may be the only football team in the country so self-motivated that the players ban their coaches from summer workouts.
Francis had some problems with the knee late last season and again during his summer workouts in Houston.
Dudley, who sprained his knee during a summer workout, will not be able to run until mid-October.
He was fined $100,000 last season for failing to participate in summer workouts.
Those who make the team in the spring are required to participate in summer workouts in preparation for the upcoming season.
Martin led the Volunteers through informal summer workouts.
Intense summer workouts in Denver helped propel him to this point.
Wegher left the team during summer workouts citing personal reasons and was released before Christmas.
He participated in summer workouts with the team.