June 15 -
- Justin Wilson begins rehab assignment (Mets)
- Bryce Montes de Oca, Keelan Smithers assigned to roster and placed on 60-day IL
June 19 -
- Corey Oswalt begins rehab assignment (Syracuse)
- C Jake Ortega signed and assigned to roster
- RHP Noah Syndergaard begins rehab assignment (Mets)
- OF Raul Beracierta transferred to the GCL Mets
- RHP Yeizo Campos begins rehab assignment (St. Lucie)
- RHP Jaison Vilera promoted to Binghamton
- RHP Yeizo Campos promoted to St. Lucie
- IF Sam Haggerty begins rehab assignment (Binghamton)
- RHP Corey Gaconi received from Kingsport
- RHP Corey Oswalt completes rehab assignment (SYR)
- IF Gavin Cecchini completes rehab assignment (SYR)
- RHP Frank Valentino signed and assigned to roster
- RHP Jeurys Familia begins rehab assignment (Mets)
- RHP Nelson Leon promoted to Columbia.
- C Phil Capra was transferred to the GCL Mets.
- OF Antoine Duplantis signed and assigned to roster
- OF Jake Mangum signed and assigned to roster
- RHP Cole Gordon signed and assigned to roster
- LHP Josh Walker begins rehab assignment (St. Lucie)
- INF Nic Gaddis transferred to Kingsport
- INF Branden Fryman received from Kingsport
- RHP Malky Mena placed on the 60 Day IL
- OF Jose Medina transferred to St. Lucie
- OF Zach Rheams transferred to Columbia
- INF Angel Manzanarez transferred to Kingsport
- RHP Cole Gordon transferred to Columbia
- RHP Daison Acosta transferred to Columbia
- RHP Alec Kisena transferred to Brooklyn from Columbia
- INF Sam Haggerty ended rehab and returned to Binghamton (AA)
- RHP Yeudy Colon was transferred to Kingsport
- RHP Jared Biddy was tranferred from Kingsport
- LHP Josh Walker completed his rehab assignment
- OF Zach Ashford was transferred to GCL Mets.
- OF Zach Rheams was transferred from Columbia.
- INF Mangel Manzanarez was transferred from Kingsport.