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The White Sox and Cubs made a swap of minor league pitchers Tuesday. The Sox acquired left-hander Bailey Horn, and the Cubs are getting righty Matthew Thompson.
Meanwhile, the Sox announced that right-hander Jesse Scholtens, who made 11 starts last season, will have Tommy John surgery Friday, making room on the 40-man roster for Horn.
Scholtens was transferred to the 60-day injured list with a torn ulnar collateral ligament in his right elbow.