The Mariners reassigned Abbott to minor-league camp Saturday, Ryan Divish of The Seattle Times reports.

Abbott signed a minor-league contract with the Mariners on Tuesday that includes an invitation to spring training, Ryan Divish of The Seattle Times reports.

The Nationals designated Abbott for assignment Tuesday, Andrew Golden of The Washington Post reports.

Abbott was recalled from Triple-A Rochester on Sunday, Mark Zuckerman of MASNSports.com reports.

The Nationals optioned Abbott to Triple-A Rochester on Sunday.

Abbott (1-1) recorded the win in Friday's 8-2 victory over the A's, allowing a hit and a walk over 1.1 scoreless relief innings. He struck out one.

Abbott will begin Game 1 of Saturday's doubleheader against the Cardinals, Jesse Dougherty of The Washington Post reports.

Washington recalled Abbott from Triple-A Rochester on Wednesday.

The Nationals optioned Abbott to Triple-A Rochester on Monday.

The Nationals recalled Abbott from Triple-A Rochester and designated him as the 27th man ahead of the second game of Sunday's doubleheader with the Mets, Jessica Camerato of MLB.com reports.