Hartline took part only in individual drills, and Wallace spent time working with a trainer. Neither player participated in the team’s scrimmage Monday night after doing position drills.
Dolphins coach Joe Philbin has a standing policy of not discussing injuries, but Hartline was wearing a compression sleeve around his left calf Thursday.
Absent from practice Thursday were guards John Jerry and Brian Thomas, along with wide receiver Rishard Matthews. Rookie Caleb Sturgis kicked Wednesday night for the first time in a week and ended the practice by making a 42-yard field goal.
The Dolphins open the preseason Sunday night against Dallas in the Hall of Fame Game in Canton, Ohio.
Source: Associated Press