Tyson Must Stay in Ohio While Under Investigation

Mike Tyson, on probation for a 1992 rape conviction, was restricted Thursday to his home state of Ohio while police investigate a complaint he sexually assaulted a woman at a Chicago nightclub.

Tyson could be ordered back to prison if he is found to have violated the terms of his release.

During the investigation in Chicago, Tyson may leave Ohio only for emergencies or for other reasons approved in advance, said George Walker, chief probation officer for Marion County. If the investigation extends into his next fight, July 13 against World Boxing Assn. champion Bruce Seldon, Tyson will be allowed to travel to Las Vegas for the bout.

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Teddy Wayne Solomon, 44, of Dallas was arrested by undercover investigators and charged with trying to extort $119,000 from Cowboy wide receiver Michael Irvin by saying he would blow up the office of Irvin’s lawyer.

Irvin said the alleged extortion attempt is part of a pattern of abuse to which he has been subjected since his indictment on drug possession charges last month.

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Former baseball player George Foster, 47, has been charged with failing to file a Connecticut state income tax return in 1994, when he earned more than $500,000. He said he did not have the money to pay the tax bill of $14,701.

Basketball

Keeping a pledge to his late father, Utah junior forward Keith Van Horn, a second-team All-American, ruled out leaving school before his senior year to make himself eligible for the NBA draft.

Dominique Wilkins, a 13-year NBA veteran in the twilight of his career, finally won a championship when his Panathinaikos team of Greece edged Barcelona, 67-66, to claim the European Club title in Paris.

Former USC coach Marianne Stanley, 41, was announced as California’s women’s coach at a salary of $110,000. She was at Stanford last season . . . Marsha Sharp, who coached Texas Tech to the 1993 national championship, signed a five-year, $1-million contract with the school. . . . Chris Gobrecht took over as women’s coach at Florida State after 11 seasons at Washington. . . . Junior Charles O’Bannon and sophomores J.R. Henderson and Toby Bailey were named UCLA’s most valuable players.

Football

Former Buffalo wide receiver Andre Reed, 32, worked out for the Bills for 30 minutes, then left without a contract. Reed, who made seven consecutive Pro Bowls, caught only 24 passes last season, in which he missed 10 games because of a hamstring injury. When he returned for the playoffs, his poor performance in a loss to Pittsburgh drew wrath from several teammates, including quarterback Jim Kelly, who said Reed gave less than a full effort.

Former Buffalo backup quarterback Frank Reich signed a two-year contract with the New York Jets. . . . Safety Louis Riddick, who began his NFL career with Atlanta but spent the last three seasons with the Cleveland Browns, agreed to terms with the Falcons. . . . The Detroit Lions re-signed restricted free-agent cornerback Greg Jeffries.

Miscellany

After interviews with the principals involved in a class at USC that was allegedly stacked with athletes given easy grades, Pacific 10 Conference and school officials have decided to expand the investigation to talk with more people, sources said.

Interviews will resume today to determine if preference was given to athletes by the instructor and if there was any improper involvement by the athletic department.

USC Provost Lloyd Armstrong issued a strong letter to the faculty saying that his office is moving aggressively toward ensuring that this “type of situation does not arise in the future.”

John Riley Jr., a 32-year-old oarsman from Boston who had easily won his preliminary race in single sculls at the U.S. Rowing Olympic trials in Gainesville, Ga., was injured in an automobile accident that ended his bid to make this year’s team.

The United League, announced with great fanfare in 1994 as an alternative to baseball’s major leagues, suspended operations without playing a game.

Tennis

Brian Tobin, president of the International Tennis Federation, said that there were no plans to reschedule the Davis Cup to satisfy players who want to play in the Olympics.

With stars such as Andre Agassi and Pete Sampras declining to play in Davis Cup matches because of their schedules, there have been calls for them to be suspended during an Olympic year or even played every two years.

Top-seeded Sampras beat Patrick Rafter, 6-3, 7-6 (7-1) and second-seeded Michael Chang, the defending champion, beat Hendrik Dreekman, 7-5, 6-3, to advance in the Salem Open in Hong Kong. . . . Top-seeded defending champion Thomas Muster, ranked No. 1 in the world, earned a quarterfinal berth by beating Carlos Moya, 6-4, 6-2, in the Estoril Open in Portugal. . . . Alex Radulescu, ranked 139th, ousted second-seeded and 10th-ranked Wayne Ferreira, 6-1, 6-1, to reach the quarterfinals of the Indian Open in New Delhi.