By Dan Gartland NFL games on TV will sound different next season. Good morning, I’m Dan Gartland. I wish sportswriters could get Al Michaels money. If you’re reading this on SI.com, you can sign up to get this free newsletter in your inbox each weekday at SI.com/newsletters. Football on TV will sound different next seasonA lot has changed in the NFL this offseason. Not only are big-name players moving to new teams, some of the most prominent announcers have found new homes and roles as well. To recap: Joe Buck and Troy Aikman are jumping ship from Fox and moving together to ESPN, where they’ll…