Oakland optioned Basso to the Athletics' Arizona Complex League on Friday.
Basso (1-1) took the loss against Texas on Wednesday, allowing five runs on six hits and one walk over three innings while striking out three.
Basso came away with a no-decision in Wednesday's 5-3 win over the Cubs, giving up three runs on six hits and two walks over 4.2 innings. He struck out five.
The Athletics recalled Basso from Triple-A Las Vegas on Tuesday.
The Athletics optioned Basso to Triple-A Las Vegas on Sunday.
Basso did not factor into the decision in Saturday's loss against the Tigers, allowing three hits and one walk in six scoreless innings. He struck out six.
Athletics manager Mark Kotsay said that Basso will start Saturday's game against the Tigers, Jessica Kleinschmidt of the Oakland Athletics Radio Network reports.
The Athletics recalled Basso from Triple-A Las Vegas on Thursday.
The Athletics optioned Basso to Triple-A Las Vegas on Monday.
Basso joined the A's and will serve as the 27th man for Sunday's doubleheader against the Twins, Martin Gallegos of MLB.com reports.