It seems so simple. The 49ers want wide receiver Anquan Boldin to stay with the team for 2014, and Boldin wants to stay, too.Though that doesn't always mean anything – agents, salary-cap restrictions and unreasonable demands from either side can surface to spoil even the sweetest relationships -- reports out of 49ers headquarters are that this indeed should be an easy re-signing.Ian Rapoport of NFL.com reported this week that a deal should get done between the two parties with very little fuss."What I'm told is the 49ers are very interested in keeping Boldin and the interest is one that he returns," Rapoport said on the NFL Network. "I would be surprised if there isn't a deal between these two to lock him up." Raiders Face NFL's Toughest ScheduleThe 33-year-old Boldin, acquired from the Baltimore Ravens last offseason for a sixth-round draft pick, was one of general manager Trent Baalke's best moves. Boldin had 85 catches for 1,179 yards and seven TDs in the regular season and paired with Michael Crabtree to give the Niners an excellent tandem of wideouts.If the 49ers can bring Boldin back and add a quality deep-threat receiver in the draft, their offense would go into the...