Lagares was examined Wednesday by team doctors, manager Terry Collins indicated that day.
The Mets previously had acknowledged that Lagares has a partial ligament tear in his right elbow.
Collins said in June: "Well, there's only a couple of things you can do. One would be to have Tommy John [surgery] and the other would be to rest it and just be careful. They said Carlos Gomez has exactly the same type of thing. If you take care of it, he's a position player, so he can play with this. A lot of guys have -- even pitchers, to be honest."
On the eve of the 2015 regular season, Lagares signed a $23 million deal covering the 2016 through 2019 seasons. The Mets also hold a $9.5 million option for 2020, with a $500,000 buyout.
Lagares had been a Gold Glove winner in 2014 in center field, but his throwing issue was glaring this past season. He also took a major step backward at the plate and settled mostly into a platoon role -- primarily facing left-handed pitching. He hit .259/.289/.358, although Collins was complimentary that Lagares showed more plate discipline during the postseason.
With Michael Conforto and Curtis Granderson slated to be full-time corner outfielders in 2016 and with Michael Cuddyer under contract for next season at $12.5 million, the Mets are expected to pursue a righty-hitting platoon mate for Lagares in center field during the offseason. Lefty-hitting center fielders who fit that profile include Colby Rasmus and Will Venable.