The Caveman tries his luck at open tryouts for the Dallas Cowboys with all-star tight end, Jason Witten. Its easy to see the Caveman has the cowboy spirit but he .brThe full length version of our spot with Jason Witten and the Caveman. The caveman goes to open tryouts and seems to be a little bit confused. Learn more .brRun through a few on-field drills with Jason Witten, All-Pro Tight End for the NFC-leading Dallas Cowboys, to the tune of Drake Whites single, Heartbeat, from .brbrThe Caveman goes to open tryouts for the Dallas Cowboys, and seems to be a little bit confused. Learn more about DCP Productions at: Website: .