Brett Favre weighs in on Eli Manning's future, with or without GiantsThe former Packers great believes Manning has "a lot of football left"12/11/2019, 9:04 PMDec 9, 2019; Philadelphia, PA, USA; New York Giants quarterback Eli Manning (10) passes the ball against the Philadelphia Eagles during the first quarter at Lincoln Financial Field. Mandatory Credit: Bill Streicher-USA TODAY Sports / Bill Streicher