McClure, 24, signed with the Colts as an undrafted college free agent in 2016. The Colts waived him May 1, 2017. He has never appeared in a regular-season game. McClure was a three-year captain at Cal.
Scott signed with the Cowboys as an undrafted free agent out of North Carolina in 2015. He spent time on the team’s practice squad before the Browns signed him in 2016. Scott has yet to appear in a regular-season game.
Evans signed with Washington during training camp last season after two years with the Jaguars. He appeared in two games with the Redskins last season, finishing with an assisted tackle.
The Eagles drafted Wolff IV in the fifth round in 2013 out of North Carolina State and he appeared in 18 games over two seasons with Philadelphia. He has not played in a regular-season game since 2014.
Washington also reached an injury settlement with defensive back Lou Young III, releasing him from injured reserve.