The Colorado Avalanche re-signed a pair of defensemen Thursday, agreeing with Ryan O'Byrne on a two-year contract and Matt Hunwick on a one-year deal.O'Byrne, 26, appeared in 64 games with Colorado after being acquired from Montreal on Nov. 11. The Victoria, B.C., native tallied a career-high 10 points -- all assists -- while finishing second on the Avalanche in average time-on-ice at 20:24. He led Colorado in hits (168), finished second on the club in blocked shots (126) and was third in penalty minutes (71). The 6-foot-5, 234-pound defenseman also skated in three games for the Canadiens, tallying no points and 4 penalty minutes."Ryan brings size to our defense," said Avalanche General Manager/Executive Vice President Greg Sherman. "We are pleased to have him under contract for the next two years and look forward to him continuing his career with our organization."Selected by Montreal in the third round of the 2003 Entry Draft, O’Byrne has appeared in 192 career NHL games, collecting 2 goals, 26 points and 252 penalty minutes.Hunwick, 26, was acquired from Boston on Nov. 29 and went on to register 10 points -- all assists -- in 51 games with the Avs. The Warren, Mich., native skated in a combined 73 games between the Avalanche and Bruins, collecting 1 goal and 13 points.Boston’s seventh-round pick in the 2004 Entry Draft, Hunwick has tallied 13 goals and 55 points in 215 career games. He has also dressed in 14 playoff games.