The Chicago Blackhawks signed the following prospects to entry-level contracts: left wing Rob Klinkhammer, defensemen Jonathan Carlsson and Brian Connelly, and goaltender Alec Richards.
The 20-year-old Carlsson spent the last three seasons in the Swedish Elite League with Brynas IF Gavle, posting 58 penalty minutes in 55 games. He was the Blackhawks' fourth choice, 162nd overall, in the 2008 entry draft.
The 23-year-old Klinkhammer played for the Rockford IceHogs of the American Hockey League in 2008-09. During the regular season, he tied for fifth on the team with 15 goals and tied for third with a plus/minus rating of plus-14.
Connelly, 22, made his professional debut with Rockford this past season, recording three points and six penalty minutes in nine regular-season games. Connelly registered 66 points (57 assists) and 106 penalty minutes in 123 career games with Colorado College (2006-09).
Richards, 21, finished a four-year career at Yale University this past spring, notching a 19-5-1 record with a 2.06 goals-against average and a .923 save percentage, leading the club to the ECAC title. He is Yale's all-time leader in save percentage (.923) and shutouts (six), while ranking second in wins (39) and goals-against average (2.68). Richards represented the United States at the IIHF World Championships in Switzerland in April and May.