Garca elected to become a free agent Monday, Julian McWilliams of The Boston Globe reports.
Garza was sent outright Thursday to Triple-A Worcester, Alex Speier of The Boston Globe reports.
The Red Sox optioned Garza to Triple-A Worcester, Jen McCaffrey of The Athletic reports.
Garza was recalled from Triple-A Worcester on Saturday, Jen McCaffrey of The Athletic reports.
Garza was optioned by the Red Sox on Saturday, Christopher Smith of The Springfield Republican reports.
Garza (0-2) took the loss Thursday, allowing three runs on four hits over one inning against Minnesota. He struck out two.
Garza was recalled from Triple-A Worcester by the Red Sox on Tuesday, Gabrielle Starr of the Boston Herald reports.
The Red Sox claimed Garza off waivers from the Angels on Friday.
Garza was designated for assignment by the Angels on Friday.
Garza was optioned Saturday to minor-league camp by the Angels.