Mets president of baseball operations David Stearns said Monday that Mauricio (knee) has begun baseball activities, Abbey Mastracco of the New York Daily News reports.

Mets president of baseball operations David Stearns said Wednesday at his end-of-season media session that Mauricio's (knee) rehab has gone slower than expected and the 23-year-old has yet to begin baseball activities, Michael Mayer of MetsmerizedOnline.com reports.

Mauricio underwent a cleanup procedure on his right knee Tuesday and will miss the rest of the season, Abbey Mastracco of the New York Daily News reports.

Mauricio (knee) was placed on the 60-day injured list Wednesday, Tim Britton of The Athletic reports.

Mauricio underwent surgery Tuesday to repair a torn ACL in his right knee.

Mauricio is slated to undergo surgery to repair a torn right ACL shortly after New Year's Day, Will Sammon of The Athletic reports.

Mauricio has been diagnosed with a torn ACL in his knee and will require surgery, Andy Martino of SNY.tv reports.

Mauricio is headed back to the United States to undergo testing for a knee injury he suffered Sunday while playing in the Dominican Winter League, Michael Mayer of MetsmerizedOnline.com reports.

Mauricio suffered an apparent leg injury Sunday while playing in the Domincan Winter League, Michael Mayer of MetsmerizedOnline.com reports.

Mets president of baseball operations David Stearns indicated Monday that he expects the team's starting third baseman to come out of the group of Mauricio, Brett Baty and Mark Vientos, Joel Sherman of the New York Post reports.