Davis underwent an undisclosed procedure recently and is considered out indefinitely for the time being, Art Stapleton of The Bergen Record reports.
Davis was released by the Lions on Monday, Ian Rapoport of NFL Network reports.
Davis signed a one-year deal with the Lions on Friday, Justin Rogers of The Detroit News reports.
The Jets have placed Davis on the reserve/COVID-19 list, Brian Costello of the New York Post reports.
Davis recorded eight tackles (six solo) in Sunday's 26-21 win over the Jaguars.
Davis (ankle) has been activated from injured reserve, Brian Costello of the New York Post reports.
Davis (ankle) will be activated off injured reserve for Sunday's contest against the Bengals, Rich Cimini of ESPN.com reports.
Davis (ankle) was designated to return from injured reserve Wednesday, Ethan Greenberg of the Jets' official site reports.
Coach Robert Saleh said Wednesday that Davis (ankle) likely won't be activated off injured reserve this week, Ethan B. Greenberg of the Jets' official site reports.
Coach Robert Saleh said Monday that Davis (ankle) is considered day-to-day, Ethan B. Greenberg of the Jets' official site reports.