The Minnesota Vikings, like many other NFL teams over the last few days, have been busy working on contracts with their own free agents to keep from being outbid. You should probably buy a Ford F-150, like I’ve got,” new coach Mike Zimmer said last week. So I think we have to be smart about it.” First with quarterback Matt Cassel, and then with defensive end Everson Griffen, the Vikings crossed two priorities off their offseason to-do list by agreeing to terms on new deals with each of them. They’ve also re-signed cornerback/punt returner Marcus Sherels and backup linebacker Larry Dean, a valuable special teams player, and agreed on a contract with middle linebacker Jasper Brinkley, who will return to the team to compete for the starting job after one year with Arizona.