Description:Khalil Mack autographed 11/15/2015 game worn Oakland Raiders jersey. Nike size 42 Raiders #52 Khalil Mack jersey worn during Salute To Service game against the Vikings. Mack signed the jersey in black marker. Includes NFL Auctions COA from PSA/DNA, with matching serial #ed sticker affixed to the jersey. Mack recorded a sack and 2-tackles in the game. The jersey displays magnificent use with impact marks and grass stains: EX