The San Francisco 49ers are well positioned to remain one of the NFL's elite teams for the long haul. It is clear one of the 49ers' few real problems is the Super Bowl champion Seattle Seahawks are in their division. But the problems may not end there. The entire NFC West is stacked.Recently, our NFL nation network looked at eight teams that are trending upward. NFC West residents Arizona and St. Louis were among the eight teams selected as risers.