The Red Sox signed Perales as an international free agent out of Venezuela in 2019. The 22-year-old righty was formerly Boston's top pitching prospect, and he even starred alongside Roman Anthony, Marcelo Mayer and Kyle Teel on top 100 prospect lists around baseball. Former top Red Sox pitching prospect Luis Perales to make Triple-A debut out of the bullpen on September 17Despite his lack of experience in Triple-A, Perales could be ready for his appearances. Still, the Red Sox didn't rule out calling him up, which shows just how desperate they are for pitching as the postseason looms. Boston could have yet another homegrown pitching prospect in the big leagues soon.