Jim Mora, defensive coordinator of the New England Patriots, signed a three-year contract to coach the Philadelphia Stars of the United States Football League. No terms were disclosed . . .

The Houston Oilers plan to enroll two cornerbacks in a therapy program after they were arrested leaving a bar and one was charged with possessing a controlled substance.

Greg Stemrick was charged with possession of a controlled substance, a second-degree felony, and released from city jail on $5,000 bail, said a spokesman for the Harris County district attorney. J.C. Wilson was charged with driving while intoxicated and driving without a valid license, the spokesman said . . .

In Dallas, an admitted drug dealer turned government witness says that he used cocaine with Dallas Cowboys defensive end Harvey Martin "two or three times" and that he and Martin shared the cost of the drug.

Danny Stone, a former North Dallas barber, testified in the trial of four accused cocaine dealers that he and Martin "were in on some deals together, where he would come over and we'd do some (cocaine) and he would pay for his part."

Martin acknowledged knowing Stone, but denied any dealings with him in cocaine. "It's all a lie," Martin said. . . .

In today's Hula Bowl (9 p.m., WRC-TV-4, WMAR-TV-2) football game are Navy defensive tackle Paul Soares and Maryland offensive tackle Dave Pacella.