Doval took the loss against the Brewers on Thursday, allowing a run on one walk over one inning while striking out one.
The Giants recalled Doval from Triple-A Sacramento on Friday, Andrew Baggarly of The Athletic reports.
Giants manager Bob Melvin said Wednesday that he expects Doval to be recalled from Triple-A Sacramento sometime during the team's Aug. 23-29 road trip, Alex Pavlovic of NBC Sports Bay Area reports.
The Giants optioned Doval to Triple-A Sacramento on Friday, Maria I. Guardado of MLB.com reports.
Doval gave up a hit, a walk and a hit by pitch in a scoreless ninth inning Wednesday to record his 22nd save of the season in a 7-4 win over the Nationals.
Doval allowed a run on two hits and struck out one over one inning to earn the save in Sunday's 5-4 win over the Rockies.
Doval allowed two runs on two hits and a walk while striking out one over one-third of an inning, taking a blown save in Sunday's 3-2 win over the Twins.
Doval struck out two in a perfect ninth inning Tuesday to record his 15th save of the season in a 5-3 win over Atlanta.
Doval picked up the save over the Cubs on Wednesday, allowing one hit over a scoreless ninth inning while striking out one.
Doval earned the save in Saturday's 3-1 win over Texas, working around a hit and a walk in a scoreless ninth inning.