The UEFA Champions League returns to action today. ESPN will be broadcasting four matches. The highlight should be Manchester United v. Roma (1:30 CST, ESPN2), with Francesco Totti and the Italians seeking revenge for last season's humiliating 7-1 quarterfinal shellacking. Also on today's schedule is Stuttgart v. Barcelona (4, ESPN Classic). Tomorrow it's Liverpool v. Marseille (1:30, ESPN2) and Lazio v. Real Madrid (4, ESPN Classic).