San Francisco Giants reliever José Buttó undergoes second surgery on right arm, out now for months.

This Giants pitcher will miss five to six months after a surgery in his right arm, as he previously missed time with the same issue.

San Francisco issued a serious Jose Butto injury update following his placement on the injured list.

Giants manager Tony Vitello speaks to reporters ahead of San Francisco’s matchup against the New York Mets on Friday at Oracle Park.Tony Vitello shares injury updates on José Butto before Giants' matchup vs. Mets originally appeared on NBC Sports Bay Area

San Francisco Giants manager Tony Vitello revealed that right-handed pitcher José Buttó will undergo surgery for a blood clot in his right arm.