BOSTON — The Boston Red Sox have acquired All-Star lefty Drew Pomeranz from the San Diego Padres in exchange for right-handed prospect Anderson Espinoza.
The deal was announced Thursday night as the teams prepared to return from the All-Star break.
To make room for Pomeranz on Boston's 40-man roster, infielder Josh Rutledge was transferred to the 60-day disabled list. He has left knee tendinitis.
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Pomeranz is 8-7 with a 2.47 ERA in 17 starts for San Diego this season. He pitched a scoreless inning in Tuesday's All-Star game.
Espinoza is an 18-year-old Single-A pitcher who was the No. 3 prospect in the Red Sox system, according to Baseball America.