Gwynn Has Kidney Stones Removed

San Diego Padre outfielder Tony Gwynn, the seven-time NL batting champion, had arthroscopic surgery to remove kidney stones Sunday.

Team trainer Larry Duensing said the stones were removed at Northwestern Memorial Hospital in suburban Chicago. After missing two games, Gwynn wanted to return to San Diego with the team Sunday night but was to remain hospitalized overnight as a precaution. Gwynn’s wife, Alicia, was with her husband.

“He lobbied to go on the plane home,” Duensing said. “We feel it’s better for him to stay here and rest.”

Gwynn, who is batting .383, will be evaluated on a day-to-day basis, and Duensing said he could play today against Montreal.

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San Diego left-handed pitcher Danny Jackson announced his retirement after 15 seasons with seven teams.

He compiled a 112-131 lifetime record and 4.01 earned-run average in 353 games. This season, he was 2-9 with a 7.58 ERA in 17 games (13 starts) for St. Louis and San Diego.

Jackson, 35, is the only player in major league history to appear in a league championship series with five teams.

His best season was 1988 when he went 23-8 with a 2.72 ERA for Cincinnati and finished second to Dodger Orel Hershiser in the NL Cy Young voting. . . . Outfielder Brian Jordan, sidelined most of the season because of a bulging disc in his back, was activated by St. Louis Cardinals. . . . The New York Mets optioned right-hander Juan Acevedo to triple-A Norfolk and recalled infielder Shawn Gilbert.