When the Seahawks face the Lions this week, there will be a new running back sharing snaps with Julius Jones. Louis Rankin, former UW Husky and more recently an Oakland Raider, has something that the other Seattle running backs don't: blazing speed. According to Clare Farnsworth, Rankin ran a 4.40 for the Seahawks in his try out. Oh, and that was in the rain. So, he's fast, which is great, but then, so what? Well, Rankin is also the biggest running back on this team at 6'1",...