2:06 PM - J.D. Martinez (NYM) (back) is on track to be added to the Mets' roster ahead of Friday's game versus the Cardinals, Anthony DiComo of MLB.com reports.

3:07 PM - J.D. Martinez (NYM) manager Carlos Mendoza said Sunday that Martinez (back) could join the big club as soon as Friday, Tim Healey of Newsday reports.

4:06 PM - J.D. Martinez (NYM) manager Carlos Mendoza said Tuesday that it's "very unlikely" Martinez (back) will join the team on their upcoming April 19-24 road trip, Anthony DiComo of MLB.com reports.

11:25 AM - J.D. Martinez (NYM) (back) is expected to begin swinging a bat again Monday, and he should resume his minor-league assignment later this week, Tim Britton of The Athletic reports.

5:25 PM - J.D. Martinez (NYM) manager Carlos Mendoza said Tuesday that Martinez is dealing with tightness in his lower back and received an injection Tuesday, Will Sammon of The Athletic reports.

12:24 PM - J.D. Martinez (NYM) manager Carlos Mendoza said Sunday that Martinez will not participate in baseball activities for two days after reporting "overall body soreness," Tim Healey of Newsday reports.

11:57 AM - J.D. Martinez (NYM) manager Carlos Mendoza said Sunday that Martinez won't join the big-league club during the four-game series in Atlanta that begins Monday, Tim Healey of Newsday reports.

11:03 AM - J.D. Martinez (NYM) could join the Mets as soon as next week for their series in Atlanta, Will Sammon of The Athletic reports.

4:23 PM - J.D. Martinez (NYM) manager Carlos Mendoza said Monday that Martinez remains at extended spring training and will be reevaluated in 2-to-3 days to determine if he'll be assigned to a minor-league affiliate at that time, Laura Albanese of Newsday reports.

10:02 AM - J.D. Martinez (NYM) will spend at least 10 days preparing to join the Mets after the season begins, Anthony DiComo of MLB.com reports.

12:03 PM - J.D. Martinez (NYM) could consent to being optioned to Triple-A Syracuse until the Mets decide he's ready to take over as their everyday designated hitter, Tim Healey of Newsday reports.