Eder was recalled from Triple-A Charlotte prior to Friday's game against the Athletics.
The White Sox returned Eder to Triple-A Charlotte after Wednesday's doubleheader versus the Twins.
The White Sox recalled Eder from Triple-A Charlotte on Tuesday, Daryl Van Schouwen of the Chicago Sun-Times reports.
Eder (shoulder) struck out three and allowed two earned runs on six hits and two walks across four innings Sunday in Double-A Birmingham's 8-2 win over Chattanooga.
Eder (shoulder) was optioned to Double-A Birmingham by the White Sox on Friday.
Eder experienced soreness in his right shoulder Saturday, Scott Merkin of MLB.com reports.
The White Sox selected Eder to their 40-man roster Tuesday, Vinnie Duber of AllCHGO.com reports.
Eder was traded from the Marlins to the White Sox on Tuesday in exchange for Jake Burger, Craig Mish of the Miami Herald reports.
Eder (foot) gave up three earned runs on four hits and three walks while striking out two over 4.1 innings in his first start for Double-A Pensacola.
Eder (foot) will make his first start of the 2023 season for Low-A Jupiter on Sunday.