The Green Bay Packers released third-year TE
Havner (HAY-vner) played in 21 games with one start during his three seasons (2008-10) with Green Bay, catching seven passes for 112 yards (16.0 avg.) and four TDs in 2009.
Swain, a seventh-round choice of the Packers in 2008, played in 22 games with one start in 2009-10 and caught six passes for 72 yards (12.0 avg.) last season.
Sherman signed with the Packers as a non-drafted free agent on July 28.