We analyzed muscle injuries collected from an Italian major-league soccer team during the period 1995-2000. We considered all the muscle accidents that had required a player to stand down for three or more days. Among the overall injuries, muscle accidents were the most frequent, representing 30% (103 cases), followed by contusions (28%), sprains (17%) and tendinopathies (9%). There was one recurrence involving the hamstring. Lack of training was one of the causes of such injuries; in fact the training/match ratio of those seasons (3.6 to 1) show that there was little time for training compared to the number of matches.