[6] In a preseason game on September 25, 2017, McLeod tore his meniscus in his left knee and required arthroscopic surgery.

[7] On April 3, 2018, McLeod was assigned to the Binghamton Devils of the American Hockey League (AHL) following the conclusion of his OHL career.

[14] On May 1, 2023, McLeod scored the first and ultimately game- and series-winning goal in New Jersey's 4–0 win over the rival New York Rangers in game 7 of the first round of the 2023 Stanley Cup playoffs.

[16] On January 24, 2024, the Devils announced that McLeod and defenceman Cal Foote were granted indefinite leaves of absence from the team.

[19] On August 2, 2024, McLeod signed a one-year contract with Barys Astana of the Kontinental Hockey League (KHL), joining former Devils teammate Will Butcher with the Kazakhstani club to start the 2024–25 season.

Five more North Americans, including Butcher, were released by the club over the following month, a move that The Hockey News called "an apparent cost-cutting measure."

[24] His other brother, Matt McLeod, plays for the Belfast Giants of the British Elite Ice Hockey League (EIHL).