The Chicago White Sox have acquired left-handed pitcher Kodi Medeiros and right-hander Wilber Pérez from the Milwaukee Brewers in exchange for right-hander Joakim Soria and cash considerations.
Medeiros, 22, is 7-5 with a 3.14 ERA (36 ER/103.1 IP), 107 strikeouts and a .234 opponents average (90-384) in 20 appearances (15 starts) for Class AA Biloxi this season. His 3.14 ERA is the seventh-lowest in the Southern League among qualified pitchers. The former first-round pick by the Brewers has allowed three runs or less in each of his last 10 outings (nine starts), going 3-3 with a 2.04 ERA (12 ER/53.0 IP), 64 strikeouts and just three home runs. Medeiros, 6-foot-2 and 205 pounds, is limiting left-handers to a .160 average (16-100), and opponents overall to a .188 mark (9-48) with RISP/two outs this season.
 
A native of Hilo, Hawaii, Medeiros was selected by the Brewers in the first round (12th overall) of the 2014 First-Year Player Draft out of Waiakea (Hawaii) High School. He was rated by Baseball America as the No. 6 Prospect in the Milwaukee system entering the 2016 season. Medeiros has gone 23-33 with a 4.69 ERA (223 ER/427.2 IP), 412 strikeouts, three saves and an 8.67 strikeout-per-9.0 IP mark in 104 career appearances (75 starts) over five seasons (2014-18) in the Brewers organization. 
 
Pérez, 20, is 5-1 with a 2.01 ERA (9 ER/40.1 IP), 47 strikeouts and just one home run allowed in eight starts this season with the Dominican Summer League Brewers. The Santo Domingo, Dominican Republic native has gone 5-1 with a 2.89 mark (15 ER/56.0 IP) and 63 strikeouts in 17 career appearances (eight starts) over two seasons (2017-18) with the DSL Brewers. Pérez, 6-foot-2 and 170 pounds, was signed as an international free agent on July 10, 2017.
 
Soria, 34, has gone 0-3 with a 2.56 ERA (11 ER/38.2 IP), 16 saves (19 chances), 49 strikeouts and a .230 opponents average (35-152) in 40 relief appearances this season, his first with the White Sox. He was acquired with left-hander Luis Avilán and cash consideration from the Los Angeles Dodgers in exchange for infielder Jake Peter on January 4.