(CBS) The Blackhawks signed defenseman Stephen Johns, their second-round pick in the 2010 draft, to a two-year contract Wednesday, they announced.

The 21-year-old Johns recently completed his senior season at Notre Dame, where he posted 20 points in 40 games. He has experience in the United States Developmental Program, participating in the under-18 World Championship in 2010 and the under-20 World Junior Championship in 2012.

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