Sebastian Wannstrom, a 2010 second-round pick of the St. Louis Blues, was one of three forwards signed to a one-year, two-way contract Tuesday. Wannstrom, 23, was the 44th pick of the 2010 NHL Draft. He had five points in four games with the Kalamazoo Wings of the ECHL, and five goals and 10 points in 37 games with the Chicago Wolves of the American Hockey League last season. The Blues also signed forwards John McCarthy and Pat Cannone.