Nogosek signed a minor-league contract with the Nationals on Tuesday.
Nogosek signed a minor-league contract with the Diamondbacks on Friday, Andrew Parker of Beyond the Monster reports.
Nogosek declined his outright assignment to Triple-A Syracuse by the Mets on Tuesday and elected free agency, Abbey Mastracco of the New York Daily News reports.
The Mets outrighted Nogosek to Triple-A Syracuse on Tuesday, Anthony DiComo of MLB.com reports.
Nogosek was designated for assignment by the Mets on Friday.
Nogosek (0-1) took the loss Sunday as the Mets were downed by the Rockies, coughing up five runs on four hits -- including two home runs -- and a walk over one inning of relief.
The Mets reinstated Nogosek (elbow) from the 15-day injured list Monday.
Nogosek (elbow) told reporters Friday that he is good to go, Tim Healey of Newsday reports.
Nogosek began a rehab assignment for Triple-A Syracuse on Saturday, Will Sammon of The Athletic reports.
Nogosek was placed on the 15-day injured list Saturday with a bone bruise in his right elbow.