at the completion of his contract with the avalanche, in which he spent exclusively with ahl affiliate the san antonio rampage, clark left as a free agent. unable to earn another nhl contract, clark agreed to his first contract abroad in signing a one-year deal with italian based club, hcb south tyrol of the ebel, on august 4, 2017. in the 2017–18 season, clark was a staple on the blueline for bolzano contributing with 5 assists in 25 regular season games. as a shutdown defenseman, he matched his 5 assists in the post-season, helping the italians win the ebel in a game 7 victory over ec red bull salzburg.