PRO FOOTBALL Washington Redskins -- Season-ticket holders can pick up tickets for the 1985 season at RFK Stadium office starting Monday and no later than July 20. Hours are 9 a.m.-6 p.m., Monday through Friday, and 9 a.m.-noon Saturday. Pittsburgh Steelers -- DB Ron Johnson has cleared waivers and is a free agent.USFL -- Announced Oakland, Birmingham and New Jersey as three of the four sites for first-round playoff games. The fourth site will be decided from among Baltimore, Memphis and Tampa Bay. Kansas City Chiefs -- Signed No. 2 draft pick TE Jonathan Hayes of Iowa to a series of four one-year contracts. BASEBALL Kansas City Royals -- Placed OF Pat Sheridan on 15-day disabled list; recalled OF Dave Leeper from Class AAA Omaha. SOCCER Cosmos -- Coach Ray Klivecka said the team is undergoing a reorganization of its ownership, probably to exclude Giorgio Chinaglia. COLLEGES Old Dominion -- Freshman basketball G Frank Smith, from Mount Vernon High School, has been named to the South team at the National Sports Festival in Baton Rouge, La. (July 24-Aug. 4). Washington and Lee -- Named William (Grafton) Young assistant basketball coach. Named William C. Washburn coach of first women's tennis team. BASKETBALL William Jones Cup -- Sweden upset the defending champion United States, 65-54, in the preliminary round of the women's basketball tournament in Taipei, Taiwan. The U.S. team still advances to the winners' round. GOLF PGA -- Announced a $750,000 tournament featuring a $500,000 prize for the winning two-person team consisting of an LPGA golfer and a member of the men's seniors will be held the week of Dec. 15 at the Tyrall club near Montego Bay, Jamaica. CALENDAR Baseball Film -- "The Glory of Their Times," a Bud Greenspan film based on the Lawrence Ritter book on the American pastime 1896-1916, shows at 5:30 today, Carmichael Auditorium in Smithsonian Institution's National Museum of American History. Free. OBITUARY Rear Adm. Kenneth Shugart Jr., captain of the 1946-47 Naval Academy basketball team and an assistant coach for the team in the 1950s, died of cancer at the age of 60 in Pensacola, Fla. Services will be Friday at 1 p.m. at the Naval Air Station in Pensacola.