Mets Roster & Staff
Transactions
| Date | Transaction |
| 07/29/13 | New York Mets sent LF Lucas Duda on a rehab assignment to St. Lucie Mets. |
| 07/27/13 | New York Mets traded RF Julio Concepcion to Los Angeles Angels. |
| 07/27/13 | New York Mets sent LHP Jon Niese on a rehab assignment to GCL Mets. |
| 07/27/13 | New York Mets optioned Kirk Nieuwenhuis to Las Vegas 51s. |
| 07/26/13 | New York Mets activated RHP Jenrry Mejia from the 60-day disabled list. |
| 07/24/13 | New York Mets sent LF Lucas Duda on a rehab assignment to GCL Mets. |
| 07/23/13 | New York Mets released RHP Shaun Marcum. |
| 07/22/13 | New York Mets activated 3B Justin Turner from the 15-day disabled list. |
| 07/22/13 | New York Mets optioned Greg Burke to Las Vegas 51s. |
| 07/19/13 | New York Mets sent 1B Justin Turner on a rehab assignment to Brooklyn Cyclones. |
| 07/16/13 | New York Mets sent 1B Justin Turner on a rehab assignment to Binghamton Mets. |
| 07/15/13 | 1B Justin Turner roster status changed by Binghamton Mets. |
| 07/15/13 | Justin Turner roster status changed by Binghamton Mets. |
| 07/14/13 | New York Mets sent 1B Justin Turner on a rehab assignment to St. Lucie Mets. |
| 07/14/13 | New York Mets optioned CF Jordany Valdespin to Las Vegas 51s. |
| 07/14/13 | New York Mets activated RHP Scott Atchison from the 15-day disabled list. |
| 07/13/13 | New York Mets sent RHP Jenrry Mejia on a rehab assignment to Binghamton Mets. |
| 07/13/13 | New York Mets sent 1B Justin Turner on a rehab assignment to GCL Mets. |
| 07/12/13 | New York Mets signed RHP Ryan Chapman. |
| 07/11/13 | New York Mets signed free agent SS Luis Carpio to a minor league contract. |
| 07/11/13 | New York Mets sent RHP Scott Atchison on a rehab assignment to Binghamton Mets. |
| 07/09/13 | New York Mets released RHP Brandon Lyon. |
| 07/09/13 | New York Mets recalled RHP Gonzalez Germen from Las Vegas 51s. |
| 07/09/13 | New York Mets sent RHP Frank Francisco on a rehab assignment to GCL Mets. |
| 07/08/13 | New York Mets signed free agent RHP Marbin Montijo to a minor league contract. |
| 07/08/13 | New York Mets signed free agent RHP Cody Satterwhite to a minor league contract. |
| 07/06/13 | New York Mets optioned Ruben Tejada to Las Vegas 51s. |
| 07/05/13 | New York Mets signed 1B Brandon Brosher. |
| 07/05/13 | New York Mets recalled Greg Burke from Las Vegas 51s. |
| 07/05/13 | Ike Davis roster status changed by New York Mets. |
| 07/05/13 | Ike Davis roster status changed by New York Mets. |
| 07/05/13 | New York Mets recalled 1B Ike Davis from Las Vegas 51s. |
| 07/05/13 | New York Mets optioned Gonzalez Germen to Las Vegas 51s. |
| 07/05/13 | New York Mets designated RHP Brandon Lyon for assignment. |
| 07/03/13 | New York Mets sent RHP Scott Atchison on a rehab assignment to GCL Mets. |
| 07/02/13 | New York Mets sent SS Ruben Tejada on a rehab assignment to Las Vegas 51s. |
| 07/02/13 | New York Mets signed RHP Luis Silva. |
| 07/02/13 | New York Mets recalled Gonzalez Germen from Las Vegas 51s. |
| 07/02/13 | New York Mets optioned Zach Lutz to Las Vegas 51s. |
| 07/02/13 | New York Mets signed free agent 2B Rigoberto Terrazas to a minor league contract. |
| 07/02/13 | New York Mets signed SS Yeffry De Aza. |
| 07/02/13 | New York Mets signed C Ali Sanchez. |