Jets' Nathan Shepherd explains decision that led to 6-game PED suspensionThe second-year defensive tackle is under discipline for two violations9/10/2019, 7:34 PMNew York Jets third round draft pick Nathan Shepherd works out during NFL rookie camp, Saturday, May 5, 2018, in Florham Park, N.J. (AP Photo/Julio Cortez) / Julio Cortez/AP