(WNFL)- Green Bay Packers' safety Morgan Burnett returned to practice yesterday, after coming off an oblique strain earlier in Training Camp. The practice was closed to fans so coach Mike McCarthy could work on more specific plays for the regular season. The crowds will be welcomed back to Ray Nitschke Field today, for a workout that begins at noon. Four players were hurt in Saturday night's exhibition loss at Tennessee -- including second-round receiver Davante Adams who injured a wrist. Linebacker Joe Thomas hurt a knee, defensive end Josh Boyd had a rib injury, and running back Rajion Neal injured a knee.