The NBA champion will face top teams from other nations in a world club championship that could begin as early as 1993, NBA Commissioner David Stern and international officials said in Barcelona.

The tournament, which would be held during the NBA preseason, eventually could include up to 16 teams that have won national titles in Europe, South America, Australia and the United States.

KNICKS WIN: The New York Knicks needed overtime and 34 points from Patrick Ewing to defeat Italian champion Scavolini Pesaro, 119-115, in the McDonald's Open in Barcelona.

The Knicks will play European champion POP 84 Split of Yugoslavia in Saturday's championship game. G Velimir Perasovic scored 24 points and Toni Kukoc, a second-round draft choice of the Chicago Bulls, had 23 to lead POP 84 to a 102-97 victory over Barcelona.

MOVES: First-round draft choice C Dwayne Schintzius has agreed to terms with San Antonio. Terms were not announced. . . . G Dave Jamerson, Houston's first-round draft pick, ended a five-day holdout and signed a four-year contract worth a reported $3.5 million. . . . Detroit released free agent Fs Nathan Buntin, Paris McCurdy, C Earl Jones, formerly of UDC, and G James Carter. . . . Philadelphia cut Gs Luther Burks, Greg "Boo" Harvey and Carlton McKinney and Fs Mario Butler and Dean Kriebel. . . . Milwaukee G Jay Humphries, who went on a brief training camp boycott over contract matters, agreed to a three-year contract extension through 1995. Other terms were not disclosed. . . . Utah cut veterans Brett Vroman and Nate Johnston.