Yacabonis elected free agency Monday.
The Mets outrighted Yacabonis to Triple-A Syracuse on Monday, Tim Britton of The Athletic reports.
The Mets designated Yacabonis for assignment Saturday, Abbey Mastracco of the New York Daily News reports.
The Mets selected Yacabonis' contract from Triple-A Syracuse on Saturday.
Yacabonis (quad) was designated for assignment by the Mets on Tuesday, Anthony DiComo of MLB.com reports.
Yacabonis (quad) was cleared Tuesday to begin a rehab assignment with Double-A Binghamton.
The Mets placed Yacabonis on the 15-day injured list Tuesday, retroactive to May 8, with a left quad strain.
Yacabonis (2-0) picked up the win Wednesday, allowing one run on two hits and a walk over 2.2 innings of relief. He struck out one.
Yacabonis had his contract selected by the Mets on Saturday.
Yacabonis was reassigned to minor-league camp by the Mets on Sunday.