CHICAGO -- The Chicago White Sox have recalled right-hander Thyago Vieira from Triple-A Charlotte and purchased the contract of righty Tyler Danish from their top minor league affiliate.
The 25-year-old Vieira was 0-4 with six saves and a 5.05 ERA in 36 relief appearances with Charlotte. The 24-year-old Danish was 1/3 with a 3.06 ERA in 29 games at Triple-A.
Volstad was 1-5 with a 6.27 ERA in 33 relief appearances for the White Sox. The 31-year-old righty was signed as a minor league free agent last winter.