Dak Prescott and Jason Witten Autographs, signed in black on a Full Size Replica Dallas Cowboys Helmet complete with 3 COAs, Dak Prescott Hologram, Jason Witten Hologram, and a JSA Witnessed COA. You could have 2 of the most popular cowboys starters on one helmet, a very rare piece to add to your collection. Dakota "Dak" Prescott is a quarterback for the Dallas Cowboys, who drafted him in the fourth round of the 2016 NFL Draft out of Mississippi State. Jason Witten was the tight end for the Dallas Cowboys for 8 years, who drafted him in the third round of the 2003 NFL Draft out of Tennessee.