College Football

Maryland Coach Joe Krivak, who was not expected to return, signed a four-year contract with a base salary of $94,000 a year. Krivak has compiled an 18-25-1 record. . . . Texas Christian Coach Jim Wacker, whose Horned Frogs started strong but finished 5-6, received a contract extension through the 1992 season. . . . Fifth-year Mississippi State Coach Rockey Felker, under fire for the Bulldogs’ lack of success in the Southeastern Conference, resigned.