The Blackhawks agreed to terms on one-year deals with goaltender Scott Darling and forwards Cody Bass and Pierre-Cedric Labrie on Tuesday.
Darling, who hails from Lemont, was 13-6-2 with six shutouts with the Milwaukee Admirals last season. He sported a 2.00 goals-against average and .933 save percentage in 26 games. Bass had eight goals and 10 assists in 58 games with Springfield last season.
Labrie had six points and 112 penalty minutes in 38 games with the Syracuse Crunch last season. He also played in 13 games with the Tampa Bay Lightning, in which he recorded 20 penalty minutes.