According to rotoworld:

According to WFAN, Bret Boone has signed a minor league deal with the New York Mets.
Kaz Matsui has been difficult to move this offseason, but Boone should be given every chance to compete with him this spring for the starting job. Chris Woodward is also in the mix, with Jeff Keppinger and Anderson Hernandez expected to serve as the double-play combination at Triple-A Norfolk.