Unsigned by the Senators, Zanon played three seasons for the Milwaukee Admirals of the American Hockey League (AHL), an affiliate of the Nashville Predators.

[3] His first season with the Wild in 2009–10 was largely successful, while proving a reliable physical force he also registered a career high 13 assists and 15 points in 81 games.

[6] In the lockout-shortened 2012–13 season, Zanon made his Avalanche debut, recording an assist in an opening night defeat to the Minnesota Wild on January 19, 2013.

[7] As a fixture on the Avalanche defense, Zanon was unable to replicate his earlier puck-clearing career form; however, he finished the season to lead the team with 122 blocked shots in 44 games.

[10] Unable to attract an NHL offer as a free agent, Zanon signed a professional try-out contract with the San Antonio Rampage of the AHL.