Okert (groin) was activated Friday from the 15-day injured list, Daniel Alvarez-Montes of ElExtraBase.com reports.
Okert will join the Marlins' bullpen for Friday night's game against the Guardians after missing the first three weeks of the 2023 season with an adductor injury. He was effective for Miami in both 2021 and 2022, and the 31-year-old left-hander could take on a setup role now that he's back to full health, although he'll be behind both A.J. Puk and Tanner Scott in the pecking order from the port side.