Rios (shoulder) is listed as one of the Mets' available relievers for Sunday's Grapefruit League game against the Astros, Brian McTaggart of MLB.com reports.

Rios (shoulder) signed a minor-league contract with the Mets on Wednesday that includes an invitation to spring training, Anthony DiComo of MLB.com reports.

The Athletics outrighted Rios (shoulder) to Triple-A Las Vegas on Wednesday.

Rios underwent surgery Monday to repair an axillary branch aneurysm in his right shoulder, Martin Gallegos of MLB.com reports.

Rios (finger) was transferred to the 60-day injured list Saturday.

Rios (fingers) will undergo a procedure Friday to address his Raynaud's Syndrome, Martin Gallegos of MLB.com reports.

Oakland placed Rios on the 15-day injured list Friday with Raynaud's syndrome.

The Athletics selected Rios' contract from Triple-A Las Vegas on Tuesday.

Rios was traded from Atlanta to Oakland in exchange for cash considerations Sunday.

Rios was re-assigned Sunday to minor-league camp by Atlanta.