Vereen is the eighth Bears player chosen by ex-general manager Phil Emery (2012-14) to be released/traded.
The University of Minnesota product appeared in 19 games for the Bears, starting four games his rookie season. The new coaching staff took a hard look at Vereen in the offseason and started him at free safety in the preseason opener against Miami. But Vereen quickly lost the starting job to rookie fifth-round pick Adrian Amos. Vereen contributed on special teams in the first three weeks of the season and played three snaps on defense this past weekend in the Bears' 26-0 loss in Seattle, where he allowed Jimmy Graham to score a 30-yard touchdown.
Replacing Vereen on the roster is Prosinski, who appeared in 56 games with nine starts over four seasons with Jacksonville (2011-14) and Philadelphia (2014). The 6-foot-2, 208-pound safety entered the NFL as a fourth-round draft choice of the Jaguars in 2011 out of the University of Wyoming.
Reynolds played in 30 games (three starts) over three seasons in Jacksonville (2013-15). He was originally an undrafted free agent out of the University of Virginia.