TUCSON, Ariz. (AP)—Now that the Seattle Seahawks have signed Julius Jones, Shaun Alexander wants to know what’s going on. The four-time defending NFC West champions announced Monday they had signed Jones, the deposed starting running back in Dallas, to a multiyear contract. Terms were not released, but it is reportedly a four-year deal.Jones’ arrival is further proof coach Mike Holmgren wasn’t just appeasing the fan base when he said fixing Seattle’s anemic running game was a priority for 2008. Seattle averaged just 4.0 yards per carry in 2006 and 3.8 last season.It is also the second running back Seattle has...