Reliever Ron Marinaccio was claimed by the Chicago White Sox off waivers from the New York Yankees on Monday and optioned to Double-A Birmingham.
A 29-year-old right-hander, Marinaccio was 1-0 with a 3.86 ERA in 16 relief appearances during his third season with the Yankees. He went 6-5 with a 3.22 ERA in 101 relief appearances for New York over three seasons.
Marinaccio was 1-3 with a 2.04 ERA and eight saves this year for Triple-A Scranton/Wilkes-Barre.
Chicago's Triple-A Charlotte team has finished its season. Birmingham leads Tampa Bay's Montgomery 1-0 in the best-of-three Southern League championship series, which resumes Tuesday night.
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