The Red Sox acquired Sabol from the Giants on Wednesday in exchange for International Bonus Pool Space, Hunter Noll of Beyond the Monster reports.
The Giants designated Sabol for assignment Saturday, Alex Pavlovic of NBC Sports Bay Area reports.
The Giants optioned Sabol to Triple-A Sacramento on Tuesday.
The Giants recalled Sabol from Triple-A Sacramento on Sunday.
The Giants optioned Sabol to Triple-A Sacramento on Thursday.
The Giants recalled Sabol from Triple-A Sacramento on Tuesday, Maria I. Guardado of MLB.com reports.
Sabol was optioned to Double-A Richmond on Tuesday.
Sabol is out of the lineup for Tuesday's game against the Pirates.
Sabol isn't in the Giants' lineup for Saturday's game against the Rockies.
Sabol will serve as the Giants' designated hitter and No. 7 hitter in Thursday's game against the Rockies, Shayna Rubin of the San Francisco Chronicle reports.