A bank's foreclosure petition alleging eight athletes signed contracts with agents while playing for Oklahoma has prompted an investigation by the Big Eight Conference school, but one person connected with the case has admitted some of the signatures were forged.

College athletes are prohibited by NCAA rules from either signing with agents or accepting financial assistance that is not available to other students. A violation would put OU in jeopardy of NCAA probation.

Larry Johnson, of Bixby, Okla., an Inter-South Sports Management Inc. owner and officer, said some of the athletes' signatures were forged.

Former wide receiver Paul Clewis told the Tulsa Tribune he received $2,000 from sports agent Brent Barnes while at Oklahoma, and said that another four players told him they had signed promissory notes with Barnes. Barnes signed the players while an independent agent and sold the contracts to Inter-South when he became an officer of the corporation. He no longer is connected with Inter-South . . .

The University of Colorado, after inquiry by the American Civil Liberties Union, issued a set of principles that takes prayer, Bible readings and religious belief out of its football program.

Coach Bill McCartney, active in the Fellowship of Christian Athletes, and Athletic Director Bill Marolt said the athletic department "recognizes its responsibility as a part of a publicly funded state institution of higher education to pursue and maintain a course of neutrality toward religion." . . .

George Washington University will have four new basketball players when classes begin Sept. 3. In addition to 6-foot-6 freshman forward Brian Royal from Brooklyn, N.Y., new Coach John Kuester will have 6-4 guard Gerald Jackson, a transfer from the University of Minnesota, and two Israelis -- 6-6 forward Mordechay (Moti) Daniel and 6-9 center Menachem Atlas. Jackson, a 1983 all-Metropolitan selection following his senior year at Flint Hill Academy, has two years eligibility, beginning with the 1986-87 season . . .

The George Mason women's soccer team is ranked No. 1 in the Intercollegiate Soccer Association of America preseason poll. The Lady Patriots were 15-3-3 last season and ranked third before being upset in the first round of the NCAA tournament.