The Niners agreed to send a sixth-round pick to Jacksonville on Tuesday for Gabbert, pending a physical.
The 24-year-old Gabbert was the 10th overall draft pick in 2011 out of Missouri. He has thrown for 22 touchdowns in three NFL seasons,Cheap Jerseys For Sale, completing 414 of 777 passes for 4,357 yards in 28 games and 27 starts.