 On June 17, 2010, after he was unable to establish himself with the Avalanche, and in need of a new contract, he was traded to the St. Louis Blues for Julian Talbot.On July 14, 2010, Hensick agreed to a contract with the Blues signing a one-year two way contract.After attending the Blues training camp for the 2010–11 season, he was reassigned to AHL affiliate, the Peoria Rivermen, during the preseason.