(IN THE PHOTO: the group at the Heinz Field)PITTSBURGH – After Thursday’s match versus Olympiacos in Toronto, the rossoneri arrived in the city of Pittsburgh the following day where they took part in their first training session at the Heinz Field- home to the American Football team the Pittsburgh Steelers.The entire group participated in the first part of the training session which involved a warm-up with a jog, lower body exercises and stretching followed by some sprints.The group was then divided into three parts with those that started the match against the Greek side Olympiacos cooling down out on the pitch.The Primavera players that have joined up with the First Team meanwhile did a keep-ball and possession drill while the rest of the players, including the recently arrived International players, worked on movements and passing in 11 with Gabriel in goal.The Primavera players and the rest of the group then came together for another possession drill 6 v 6 with a free-floating player and practice match over half a pitch.At the end of the session, Mario Balotelli met up with Pittsburgh Steelers Hall of Fame star Franco Harris and they both exchanged autographed shirts.Another training session is scheduled for tomorrow morning. (local time)