PHOENIX — The NFL is looking to make the Rooney Rule more effective after eight available coaching jobs and seven for general managers did not go to a minority candidate. “We were disappointed in the results this year,” Commissioner Roger Goodell said Wednesday at the owners meetings, adding the league will make some tweaks to the rule. “We think that some of the changes we are making (are) to make sure we get the right candidates better training and we really are doing a better job of getting them in front of the people who are making the decisions.” The …