Estrada allowed one hit in a scoreless inning to notch a hold against the Cardinals on Tuesday.
Estrada (3-1) blew a save but was credited with the win in Thursday's victory versus the Brewers. He allowed two runs on two hits and one walk while striking out three batters over one inning.
Estrada retired only one batter (via strikeout) while giving up four runs on five hits and one walk against the Mets on Sunday.
Estrada (illness) struck out two and gave up an earned run on one hit and one walk over one inning out of the bullpen in Wednesday's 5-4 win over the Athletics.
Estrada (illness) believes he will be available to pitch Wednesday versus the Athletics, AJ Cassavell of MLB.com reports.
The Padres recalled Estrada from Triple-A El Paso on Friday./
The Padres optioned Estrada to Triple-A El Paso on Tuesday, Jeff Sanders of The San Diego Union-Tribune reports.
The Padres claimed Estrada off waivers from the Cubs on Monday, Maddie Lee of the Chicago Sun-Times reports.
The Cubs outrighted Estrada to Triple-A Iowa on Thursday, Sahadev Sharma of The Athletic reports.
Estrada was optioned Tuesday to Triple-A Iowa, Jordan Bastian of MLB.com reports.