Pence was placed on the disabled list with left wrist tendonitis on June 12 and has not played since aggravating his left wrist making a diving catch on June 2.
The 32-year-old Pence began the season on the DL with a fractured left forearm and did not make his season debut until May 16. In 18 games this season, he's hitting .282 with two home runs and 13 RBIs.
The Giants optioned outfielder Ryan Lollis to Triple A to make room for Pence on the roster.
San Francisco entered Tuesday with a 42–42 record and in second in the NL West.
- Molly Geary