Nero declined to specify the six teams, but said three are in the American League and three in the National League. And the Dodgers, Nero said, aren't one of those teams, even though they're also likely to check in based on the recommendations of manager Joe Torre.
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The Yankees non-tendered Wang, 29, on Saturday, although they expressed interest in retaining him.
"We're not in a hurry," Nero said. It's possible that Wang could rehabilitate on his own in spring training and then sign in April or May, when he's about ready to start pitching in games.
Wang is in his native country, Nero said, and is scheduled to return to the United States around Jan. 1. He'll spend about a week in Birmingham, Ala., working under the supervision of James Andrew, the noted orthopedist who performed Wang's shoulder surgery in July.
"I think Cash was just covering all the possibilities," Bick wrote in a text message.
Giles, who turns 39 next month, tallied a .277 on-base percentage and .271 slugging percentage in 253 plate appearances for the Padres last season. He probably will have to sign a minor-league deal if he wants to continue playing.