The Vikings hosted former 49ers wide receiver Jauan Jennings for a visit a week ago. Since Jennings' departure from Minnesota, there has been very little new information on whether Jennings will eventually sign with the Vikings. However, we may finally be getting a clearer picture of why nothing has happened. According to SI's Albert Breer, the five-year pro is looking for a sizeable chunk of money, seemingly more than teams are willing to offer him at this point in his career. "First, you have players who may have overshot their markets in the first place," Breer wrote in a column looking at tiers of remaining free agents. "These things happen, and in some cases, it’s because of past experiences they had taking deals that might, in retrospect, look team-friendly. 49ers WR Jauan Jennings is a good example of that, looking for No. 2 receiver money." That last bit is the part where the Vikings might have to walk away.…