Prior to tonight's game vs. Detroit, the Chicago White Sox purchased the contract of right-handed pitcher José Ruiz from Class AA Birmingham and outrighted infielder Matt Skole to Class AAA Charlotte.u5:p

Ruiz, 23, combined to go 3-1 with a 3.07 ERA (20 ER/58.2 IP), 16 saves, 77 strikeouts (11.8 per 9.0 IP), and a .188 (39-207) opponents average over 43 appearances with Class A Winston-Salem and Birmingham this season, his first in the White Sox organization after being claimed off waivers from San Diego on December 22, 2017.u5:p

Ruiz, 6-foot-1 and 190 pounds, began the season with Winston-Salem, posting a 2.70 ERA (4 ER/13.1 IP) over 10 appearances to earn a promotion to Birmingham. He was 3-1 with a 3.18 ERA (16 ER/45.1 IP) in 33 games with the Barons, and did not allow a run over 11.0 IP in August.u5:p

Ruiz, a native of Guacara, Venezuela, is 6-3 with a 3.95 ERA (53 ER/120.2 IP), 20 saves and 136 strikeouts in 98 career relief appearances over three Minor League seasons in the San Diego (2016-17) and White Sox (2018) organizations. He also appeared in one Major League game with the Padres, throwing 1.0 scoreless IP vs. the Mets on July 24, 2017.u5:p

Ruiz originally was signed by San Diego as an international free agent on July 2, 2011. He will wear uniform No. 66.u5:p

Skole, 29, spent most of the season with Charlotte, hitting .237 (102-431) with 28 doubles, 14 home runs, 61 RBIs and 50 runs scored over 121 games. He also appeared in four games with the White Sox, going 3-11 (.273) with a homer, RBI and two runs scored in his first Major League experience.u5:p

The Sox active roster increases to 30, and the 40-man roster remains at 40.u5:p