6. The Oakland Raiders’ job is thought by some to be appealing because of the presence of Derek Carr and Khalil Mack — and they are great assets. But the Raiders need major upgrades on both sides of the ball, and Mark Davis is the least qualified owner in the NFL. The franchise is going to be in constant turmoil over the next few seasons as it tries to move to Las Vegas, and at approximately $25 million, they will have the second-least cap space of the six clubs with openings heading into the offseason.