Boston will send shortstop Jose Iglesias and three low-level prospects - right-handers Francelis Montas and J.B. Wendelken and infielder Cleuluis Rondonto - to the White Sox. The Red Sox also picked up minor league pitcher Brayan Villarreal as part of the deal.
Peavy has a 4.28 ERA in 13 starts with Chicago. His ERA+ is 100 - exactly league average.
ESPN's Dave Schoenfield says the Red Sox picked up Peavy cheaply.
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