Brian Wilson worked out privately for New York Mets general manager Sandy Alderson on Saturday in California, a baseball source told ESPNNewYork.com.
Wilson, 30, underwent Tommy John surgery last April after two early season appearances.
He has indicated he will be ready for Opening Day, although a major league source said the reliever is not yet able to demonstrate in workouts that he is back to pre-surgery form.
The source speculated that the Mets willingly would sign Wilson to a minor league deal now, but Wilson agreeing to such an offer seems a stretch. As a result, the negotiation process will continue.