The Bears bolstered their defense and special teams Tuesday, signing safety Chris Prosinski and linebacker LaRoy Reynolds and waiving safety Brock Vereen.
As teammates with the Jaguars, Prosinski and Reynolds were regular special-teams contributors. They'll join a unit with the Bears that has allowed 108- and 105-yard kickoff return touchdowns the past two weeks in losses to the Cardinals and Seahawks.
Prosinski appeared in 56 games with nine starts with the Jaguars (2011-14) and Eagles (2014) after being selected by Jacksonville in the fourth round of the 2011 draft out of Wyoming. He has recorded 27 tackles and one fumble recovery on special teams and 73 tackles, one interception and six pass breakups on defense.
Prosinski was teammates at Wyoming with defensive tackle Mitch Unrein, who signed with the Bears last Friday and registered one tackle in Sunday's loss to the Seahawks.
Reynolds has appeared in 30 games with three starts over three seasons with the Jaguars (2013-15), registering 18 tackles and one fumble recovery on special teams and 22 tackles on defense. He entered the NFL in 2013 as an undrafted free agent from Virginia.
Vereen was selected by the Bears in the fourth round of last year's draft out of Minnesota. Last season he appeared in all 16 games with five starts, recording 38 tackles, one interception and one forced fumble in addition to eight tackles on special teams.
Vereen played in the first three games this season primarily on special teams, though he did get beat by tight end Jimmy Graham for a 30-yard touchdown reception Sunday in Seattle.