Reyes officially announced his retirement via his personal Twitter account.
Reyes is starting at shortstop but is only expected to receive one at-bat Sunday against the Marlins, Mike Puma of the New York Post reports.
Reyes will start at third base and bat seventh Sunday against the Braves.
Reyes went 2-for-3 with two solo homers in Wednesday's loss to the Nationals.
Reyes is not in the starting lineup Sunday against the Pirates.
Reyes is not in Saturday's starting lineup against the Pirates.
Reyes was added to the lineup for Friday's game against the Pirates, according to Tim Healey of Newsday.
Reyes will play third base and hit eighth Wednesday against the Padres, Anthony DiComo of MLB.com reports.
Reyes is starting at shortstop Tuesday for the third day in a row, according to Tim Healey of Newsday.
Reyes is not considering retirement even though his roster spot with the Mets is unsafe, Kristie Ackert of the New York Daily News reports. "My body feels good," Reyes said. "I am not thinking about (retiring) at all. I feel like I can still play. Obviously, I am frustrated because when I do get chances I am not getting the job done.