Upon the conclusion of a successful junior year in 2015–16 season, helping the Fighting Hawks claim the National Championship, LaDue embarked on his professional career in agreeing to a one-year, entry-level contract with the Los Angeles Kings on April 30, 2016.[1] He made his professional debut in joining AHL affiliate, the Ontario Reign, on an amateur try-out and appeared in 3 post-season games.
After attending his first training camp with the Kings and turning heads in the pre-season, LaDue began his rookie campaign re-assigned to the Reign to begin the 2016–17 season. While placing second amongst blueliners in scoring, LaDue received his first recall to the NHL on February 1, 2017.[2] He made his NHL debut with the Kings in a 5–0 shutout defeat to the Tampa Bay Lightning on February 7, 2017.[3] He recorded his first point, an assist on a goal to Dwight King, in his second contest, a 6–3 victory over the Florida Panthers on February 9, 2017.[4]
On October 10, 2020, LaDue was signed as a free agent to a one-year, two-way contract with the Washington Capitals.[5] On September 20, 2021, LaDue was signed to a one-year contract by the New York Islanders.[6][7]
Following three seasons within the Islanders organization, LaDue left the club as a free agent and opted to sign his first contract abroad in agreeing to terms on a one-year contract with Swedish club, Modo Hockey of the Swedish Hockey League (SHL), on July 16, 2024.[8]
Personal life
LaDue comes from a hockey playing family; his uncles and cousin also played collegiate hockey for the University of North Dakota.[9] His cousin Luke Johnson plays professionally for the Chicago Blackhawks organization of the NHL[10]