Jets' Sam Darnold hopes to return Week 5, says he thought initial mono diagnosis was a 'sick joke'Darnold also spoke about Trevor Siemian's injury9/17/2019, 10:47 PMSep 8, 2019; East Rutherford, NJ, USA; New York Jets quarterback Sam Darnold (14) dos back as Buffalo Bills defensive end Trent Murphy (93) defends during the first half at MetLife Stadium. Mandatory Credit: Vincent Carchietta-USA TODAY Sports / Vincent Carchietta