Gregory Santos

Free-agent reliever Gregory Santos has signed a minor-league deal with the San Francisco Giants.

Fantasy Impact

Santos' minors pact comes with an invitation to MLB Spring Training. The 26-year-old right-hander was non-tendered by the Mariners following the 2025 season after he posted a 5.14 ERA in just eight appearances in the big leagues.

The Mariners say Gregory Santos has been cleared for game activity.

Fantasy Impact

Santos will need a few weeks of building up mound time after tending to some personal issues in the DR. He remains without a clear timetable to return.

Mariners GM Justin Hollander said Gregory Santos threw three "light bullpens."

Fantasy Impact

They all consisted of around 10 pitches. Santos remains on track to return to the Mariners bullpen towards the end of July.

The Mariners transferred Gregory Santos to the 60-day injured list.

Fantasy Impact

The move was made to open a roster spot on the 40-man. Santos will be sidelined into the summer at least after undergoing surgery.

Gregory Santos will undergo surgery on his right knee on Tuesday to clean up loose cartilage.

Fantasy Impact

It may help explain some of the struggles Santos had to start the season. It is unclear how long he will be sidelined for.