Wendle has elected free agency after decling an outright assignment by Atlanta.
Wendle was designated for assignment by Atlanta on Monday, David O'Brien of The Athletic reports.
Atlanta signed Wendle to a one-year contract Friday.
The Mets released Wendle on Monday, Will Sammon of The Athletic reports.
The Mets designated Wendle for assignment Wednesday.
Wendle will start at second base and bat seventh in Monday's game against the Cardinals, Tim Healey of Newsday reports.
Wendle will start at second base and bat ninth in Monday's game versus the Tigers, Anthony DiComo of MLB.com reports.
Wendle (shoulder) is starting at second base for the Mets' spring training game against Washington on Thursday.
Wendle has been dealing with a sore right shoulder, Anthony DiComo of MLB.com reports.
Wendle remains out of the lineup Thursday at Milwaukee.