The Jets waived Mann on Thursday, ESPN's Adam Schefter reports.
Mann was credited with an incomplete pass in Sunday's 31-10 win over the Bears. He also punted twice for a total of 118 yards.
Mann (knee) was activated from injured reserve Saturday.
Mann (knee) was designated to return to the Jets' practice Wednesday.
Mann (knee) was placed on injured reserve Tuesday.
Mann will miss 4-6 weeks after suffering a knee injury during Sunday's season opener, Rich Cimini of ESPN.com reports.
Mann (knee) is questionable to return to Sunday's game against the Panthers, according to Steve Reed of the Associated Press.
The Jets selected Mann in the sixth round of the 2020 NFL Draft, 191st overall.