The Philadelphia 76ers will host a free open scrimmage later today at the Palestra (220 S. 32nd St.). Tickets are free and will be available at the gates. The first 1,500 people in get a free Sixers t-shirt. Coach Doug Collins will wear a wireless mic during the game and spectators will be able to hear his comments to the team. The doors open at 5 p.m. and the scrimmage runs 6-8 p.m.