Sports People

Bill Shoemaker, 66, who rode a record 8,833 winners before retiring as a jockey in 1990, announced he is retiring as a trainer when Santa Anita’s Oak Tree meeting ends Monday. … Former heavyweight champion Mike Tyson was released from a Hartford, Conn., hospital following treatment for injuries from Wednesday’s motorcycle accident. … Robert Bruce Muir, a coach of the U.S. Olympic swimming team in 1948, 1952 and 1956, and freshman swim coach at Harvard University, where he coached future president John F. Kennedy, has died in Williamstown, Mass., at 99. … Ed Chay, a retired sports writer for the Cleveland Plain Dealer credited with coining the term “Final Four,” has died at age 71.