as the Ducks were eliminated in seven games in the Western Conference Finals by the Chicago Blackhawks. With the Ducks acquisition of Kevin Bieksa in the off-season, signalling the end of his Ducks tenure as an impending free agent, Beauchemin left the club second among all defenceman in franchise history in goals, assists and points. He also left tied with Ryan Getzlaf for most playoff games for the Ducks with 97. Colorado Avalanche On July 1, 2015, and in the opening hour of free agency, Beauchemin signed a three-year, $13.5 million contract with the Colorado Avalanche. Adding a veteran presence to a young blueline in Colorado, Beauchemin recorded three assists in his debut with the Avalanche on opening night in a 5–4 defeat to the Minnesota Wild on October 8, 2015. In playing in a top-pairing role alongside Erik Johnson in the 2015–16 season, Beauchemin matched his rookie season with the Mighty Ducks in 2005–06 in contributing 8 goals and 34 points while leading the Avalanche in ice-time through 82 games. On October 13, 2016, two days before the Avalanche home opener, Beauchemin was named an alternate captain for the 2016–17 season. In his second season with the Avalanche, Beauchemin was unable to repeat his performance as a top pairing defenceman with the cellar-dwelling Avalanche. On January 25, 2017, Beauchemin appeared in his 800th career NHL game in a 3–2 defeat to the Vancouver Canucks. He completed the season with 5 goals and 18 points in 81 games. Because he had a no-movement clause in his contract, which limited the team's flexibility in the upcoming Expansion Draft; and because of the Avalanche's intentions to make the transition to become younger, Beauchemin was bought-out from the final year of his contract in Colorado on June 15, 2017, in order to protect a younger player from being claimed by the expansion Vegas Golden Knights. Second return to Anaheim On August 21, 2017, Beauchemin returned to the Ducks for a third stint after signing a one-year, $1 million contract. Beauchemin, who announced the 2017–18 season would be his last as a player, retired after the Ducks were eliminated in a first round playoff sweep by the San Jose Sharks. International play Beauchemin was selected for the 2010 Winter Olympics summer preliminary roster for Team Canada in August 2009, but did not make the final roster cut. After failing to make the 2010 playoffs