The Patriots open their offseason workout program, and there are several guidelines and restrictions related to these workouts, highlighted below: General " Workouts are strictly voluntary " A maximum of four workouts per week (no weekends) " One week is the mandatory minicamp (no weekends) " Contact work is prohibited in all workouts " Intensity and tempo of drills should be at level conducive to learning, with player safety as the highest priority Phase one (four hours a day) " Two weeks.via - NFL Nation