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Story summary
- José Buttó underwent arm surgery on Friday and is likely sidelined for five to six months.
- Dr. Jason Lee at Stanford Medical Center performed the procedure to repair Buttó's axillary artery in his upper right arm.
- The 28-year-old pitcher has been on the injured list for over two weeks and has allowed five runs in two innings across three appearances.
- The Giants will be without Buttó for the recovery period.
