AROUND THE NBA

Center Kelvin Cato, who leads the NBA this exhibition season in shot blocking, has signed a multiyear contract extension with the Houston Rockets. Cato’s contract was extended by more than one year, but further terms were not disclosed.

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The Orlando Magic gave General Manager John Gabriel a four-year contract extension that runs through 2003. . . . Cleveland center Zydrunas Ilgauskas flew to Houston to have a specialist examine the sore left foot that kept him out of all the team’s exhibition games. . . . The Philadelphia 76ers waived guard Doug Overton and forward Korleone Young. . . . The Boston Celtics waived guard Eric Washington. . . . The Bulls signed free agent guard Dedric Willoughby and waived forward-center Doug Swenson.