Joel Peguero Diagnosed With Grade 2 Hamstring Strain
Briefly

Joel Peguero Diagnosed With Grade 2 Hamstring Strain
"A Grade 2 strain means there's some degree of tearing. The injury can have different timelines. Yankees reliever Scott Effross was diagnosed with a Grade 2 hamstring strain around this time last year. He was on the injured list until May 18. Back in 2023, Nestor Cortes suffered the same injury in the middle of February. He was back in time to avoid a season-opening IL stay."
"The 28-year-old Peguero had a good chance to break camp for the first time in his career. San Francisco called him up last August. Peguero impressed down the stretch, turning in a 2.42 earned run average through his first 22 1/3 innings. He only struck out 20% of opponents but got ground-balls at a 53.3% clip behind a blistering heater. Peguero averaged 99.9 mph on his sinker, the seventh-highest velocity in MLB."
"Peguero's huge arm could even make him a candidate for saves in a wide open San Francisco bullpen. Ryan Walker is the favorite to close as their only healthy reliever with much experience in that regard. Walker had an uneven 2025 season, though, so his hold on the job wouldn't be super strong even if he wins it out of camp."
Joel Peguero, a 28-year-old Giants reliever, has been diagnosed with a Grade 2 hamstring strain involving partial tearing. The team has not announced a specific return timeline, but he is expected to start the season on the injured list. Grade 2 hamstring strains show variable recovery periods; Yankees reliever Scott Effross required until May 18 last year, while pitcher Nestor Cortes recovered faster in 2023. Peguero impressed during his 2024 debut, posting a 2.42 ERA over 22 1/3 innings with a 53.3% ground-ball rate and averaging 99.9 mph on his sinker, the seventh-highest velocity in MLB. His injury removes a promising option from San Francisco's bullpen during spring training.
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