Peguero (hamstring) threw a 20-pitch live batting practice session Monday, Shayna Rubin of the San Francisco Chronicle reports.
Peguero was moved to the 15-day injured list Wednesday due to a Grade 2 hamstring strain, so it's a positive sign that he's already been cleared to resume mound work. He'll presumably be re-evaluated Tuesday morning to ensure he didn't suffer any kind of setback, at which point the next step in his rehab could be established. A timetable for Peguero's return has yet to be disclosed by the club.
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Giants' Joel Peguero: Out with strained hamstring
Rotowire
The Giants placed Peguero (hamstring) on the 15-day injured list Wednesday.
Peguero went down with a Grade 2 left hamstring strain in mid-February and never appeared in a Cactus League game. He's slated to fill a setup role in San Francisco once healthy, but it's unclear when the righty reliever will be ready.
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Giants' Joel Peguero: Suffers Grade 2 hamstring strain
Rotowire
Peguero was diagnosed with a Grade 2 hamstring strain Wednesday, Alex Pavlovic of NBC Sports Bay Area reports.
Peguero is expected to be sidelined for multiple weeks. He initially suffered the hamstring injury 16 days ago but apparently aggravated it in recent days and will now face an even longer recovery period. Peguero was competing for a prominent role in the Giants' bullpen after pitching in 17 games for San Francisco last season. He registered a 2.42 ERA, 1.03 WHIP and 17:8 K:BB across his first 22.1 big-league innings.
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Giants' Joel Peguero: On track to play this week
Rotowire
Peguero (hamstring) threw a live batting practice session Friday and is on track to play this week, Maria Guardado of MLB.com reports.
Peguero began experiencing tightness in his left hamstring in mid-February but is progressing toward his Cactus League debut. The right-hander made 17 relief appearances for the Giants in 2025 after his contract was selected from Triple-A Sacramento in August, recording a 2.42 ERA, 1.03 WHIP and 17:8 K:BB across 22.1 innings.
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Giants' Joel Peguero: Slated to face hitters Friday
Rotowire
Peguero (hamstring) will throw another bullpen session Tuesday before advancing to a live batting practice session Friday, Justice delos Santos of The San Jose Mercury News reports.
Peguero's recovery from left hamstring tightness is coming along well. As long as he gets through his next two throwing sessions with no issues, he'll likely be cleared to pitch in Cactus League games. Peguero could be used in a setup role this season for the Giants.
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Giants' Joel Peguero: Progressing well, throws bullpen
Rotowire
Peguero (hamstring) threw a bullpen session Saturday, Nick Piecoro of The Arizona Republic reports.
Peguero was limited to start spring training due to soreness in his left hamstring, but the reliever is reportedly feeling much better and appears to be closing in on game action. The 28-year-old right-hander tallied a 2.42 ERA across 22.1 innings with the Giants last season and could push for a setup role in 2026.
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Giants' Joel Peguero: Earns third hold of 2025
Rotowire
Peguero picked up a hold in Friday's 6-3 victory over the Rockies, allowing one hit while striking out one across a scoreless inning.
Peguero entered the game in the eighth and gave up just one single, throwing eight of his 14 pitches for strikes. The right-hander has logged three consecutive scoreless outings, surrendering one hit while striking out four across three innings during that span. Overall, he owns a 2.53 ERA, 1.03 WHIP and 17:7 K:BB across 21.1 innings in 16 games this season.
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Giants' Joel Peguero: Allows two runs Monday
Rotowire
Peguero allowed two earned runs on one hit and two walks across one-third of an inning in Monday's 8-1 loss to the Diamondbacks.
Peguero entered the game in the sixth inning with a runner on second. The right-hander then walked back-to-back batters before allowing a single and being replaced. Over 11 appearances this season, the 28-year-old owns a 1.84 ERA, 1.02 WHIP and 11:6 K:BB across 14.2 innings.
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Giants' Joel Peguero: Fans three in scoreless outing
Rotowire
Peguero threw two scoreless relief innings in Wednesday's 12-3 win over the Cubs, striking out three.
Peguero retired all six batters he faced, throwing 18 of his 25 pitches for strikes. The right-hander had his contract selected from Triple-A Sacramento last Thursday, when he made his big-league debut. The 28-year-old has tossed three scoreless outings since joining the Giants, allowing four hits and one walk while striking out four across 5.2 innings.
