Oller has agreed to a contract with the KIA Tigers of the Korea Baseball Organization, Ari Alexander of KPRC 2 Houston reports.
Oller elected free agency Friday, Ari Alexander of KPRC 2 Houston reports.
Oller (2-4) allowed four runs on eight hits and two walks over five innings Friday, striking out three and taking a loss against Toronto.
Oller came away with a no-decision in Saturday's 6-2 loss to Atlanta, giving up two runs on eight hits and two walks over 5.2 innings. He struck out seven.
Oller (1-2) took the loss Thursday, allowing four runs on five hits and five walks over 5.1 innings against the Phillies. He struck out six.
Oller (1-1) allowed one run on four hits and two walks while striking out six over 5.2 innings to earn the win over the Cubs on Sunday.
Oller is scheduled to start Saturday's game against the Cubs at loanDepot Park.
The Marlins selected Oller's contract from Triple-A Jacksonville on Monday.
The Marlins are expected to select Oller's contract from Triple-A Jacksonville to start Monday's game against Arizona, Ari Alexander of KPRC Houston reports.
The Marlins signed Oller to a minor-league contract Tuesday, Ari Alexander of KPRC 2 in Houston reports.