St. Louis University has signed men’s basketball coach Brad Soderberg to a five-year contract. The deal keeps him with the Billikens through 2008-09. Soderberg has led SLU to a 35-29 in two seasons and two NIT appearances. Soderberg was hired before the 2002-03 season to replace Lorenzo Romar. SLU tips off exhibition play tonight against UMSL.