DALLAS There was only one juicy rumor involving the Giants on the opening morning ofbaseball's winter meetings Monday, and general manager Brian Sabeangleefully squashed it. "We did not bid on the Japanese shortstop," said Sabean,deflecting a report that suggested the Giants submitted a posting bid onHiroyuki Nakajima of the Seibu Lions. "Did not. N-O-T. Enoughsaid." What about players on this side of the Pacific?