Belt missed 12 games after sustaining a concussion when he was hit in the face by a throw during batting practice on July 19 at Miami. That was shortly after Belt spent eight weeks on the DL with a fractured left thumb.
The Giants discussed sending Belt -- who went 2-for-3 in the Giants' 4-2 loss to the Mets -- on a Minor League injury rehabilitation assignment. But manager Bruce Bochy liked what he saw while studying Belt during batting practice.
"Watching him yesterday, I just thought he looked good swinging," Bochy said.
Belt has appeared in 47 games, batting .250 with 10 home runs and 23 RBIs. The Giants are 29-18 when he appears in a game and 26-18 in his starts.