None - except they won't have to deal with him in a Red Sox uniform next season.
The Yankees are also in the market for a leftfielder but never seriously considered pursuing Bay, a team source said. Nor were the Yankees, the source said, particularly interested in Mark DeRosa, whose signing with the Giants became official Tuesday.
DeRosa signed a two-year deal for $12 million, far out of the price range of the Yankees, whose salary commitments for 2010 are already approaching the budget general manager Brian Cashman said he'll adhere to. Bay's deal with the Mets, contingent on him passing a physical, is for four years and about $66 million.
Cashman has not said what the Yankees' 2010 budget is, but he has said this offseason the target is to be below last season's $201-million payroll. The Yankees are nearing $200 million in commitments for next season, meaning Matt Holliday, the top remaining free agent, is out of the picture, as is Johnny Damon.
As of now, Brett Gardner could compete for the leftfield job and Rule 5 pickup Jamie Hoffman can play left, as well.