Panik retired from professional baseball prior to the 2022 season, Jon Heyman of MLB Network reports.
Panik was designated for assignment by the Marlins on Friday.
Panik will not travel back to Miami for the team's final series of the season, Christina De Nicola of MLB.com reports
Panik was reinstated from the COVID-19 injured list as expected Wednesday.
Marlins manager Don Mattingly said Panik will likely be reinstated from the COVID-19 injured list Wednesday, when Miami's roster expands from 26 to 28 men, Christina De Nicola of MLB.com reports.
Panik remains out of the lineup for Sunday's game against the Yankees, Jordan McPherson of the Miami Herald reports.
Panik will start at third base and bat sixth Sunday against the Phillies.
Panik went 0-for-3 with a walk and a stolen base in Sunday's 8-7 extra-inning loss to Atlanta.
Panik went 2-for-4 with a walk, a home run, two runs scored and two RBI in Wednesday's 11-6 win over the Phillies.
Panik was added to the 26-man roster Wednesday and drew the start at third base against the Phillies.