The Seattle Mariners have claimed right-hander Mauricio Llovera off waivers from the Boston Red Sox. Llovera was designated for assignment by Boston last week when the club's signing of right-hander Lucas Giolito became official. The 27-year-old split the 2023 season between the Giants and Red Sox, working to a 4.89 ERA across 30 appearances spanning 35 innings of work. He also tossed a 3.92 ERA in 17 outings (two starts) with Triple-A Sacramento in the Giants organization. While Llovera owns a career 5.80 ERA in 54 MLB appearances, he also sports a much improved 4.35 SIERA in that time, potentially pointing to some positive regression on the horizon with Seattle.

The Boston Red Sox designated right-hander Mauricio Llovera for assignment on Wednesday to clear a 40-man roster spot once the signing of fellow right-hander Lucas Giolito became official. The 27-year-old appeared in the big leagues with both the Red Sox and San Francisco Giants in the 2023 season, working to a 4.89 ERA across 30 appearances. He has also spent time with the Phillies in the majors, tossing a 9.45 ERA with the club across just six outings in the 2021 season. All told, Llovera owns a career 5.80 ERA across 54 outings in the big leagues while walks and home runs have been an issue with a 10.1% career BB% alongside a 1.53 HR/9 clip.