The Boston Red Sox have activated left-handed pitcher Chris Murphy, who returns to the active roster after undergoing Tommy John surgery. At the same time, right-handed pitcher Luis Guerrero has been placed on the injured list due to a strain in his elbow.
To make room for Murphy on the 40-man roster, right-handed pitcher Justin Slaten (shoulder) has been transferred to the 60-day injured list.
Murphy, 27 years old, debuted in the Major Leagues in 2023, recording a 1-2 record with an ERA of 4.91 in 20 relief appearances.
Guerrero, 24, has a 0-1 record with a 4.15 ERA in 13 relief appearances this season. In his 22 appearances with Boston over the last two years, his ERA is 2.63.
Slaten, also 27 years old, compiled a 1-4 record with a 3.47 ERA in 24 relief appearances before being placed on the injured list on June 1. In 68 relief appearances over two seasons with the Red Sox, his record is 7-6 with a 3.09 ERA.
