User blog comment:Madman97/Blog Critic: Why the Stormcloaks are right/@comment-1600847-20131206181225/@comment-1600847-20131209175754

Well, Ulfric didn't HAVE to kill Blagruuf. If the "Ulfric is power-hungry" is right, killing Torygg makes sense because he couldn't become King if Torygg was alive, wheras killing Balgruuf would be unnecessary. Replacing him with Vignar serves the same purpose without the bloodshed.