The Boston Bruins have made significant roster moves by re-signing forward Marat Khusnutdinov and defenseman Michael Callahan. Khusnutdinov, 22, who initially joined the Bruins last season, has shown promise with a solid performance in both the Kontinental Hockey League and the NHL. He has signed a two-year contract extension with an annual cap hit of $925,000. Similarly, Callahan, 25, has secured a one-year, two-way contract with a cap hit of $775,000, after playing 17 games for the Bruins and contributing valuable points during his time with the Providence Bruins.