He added to that with 53 assists for 79 points in 63 games, good enough for second in OHL in defencemen scoring behind Windsor Spitfires defenceman Ryan Ellis.

[8] The following day, on June 30, the Flames announced Murphy was placed on unconditional waivers to buy-out the remaining year of his contract.

[11] Assigned to AHL affiliate, the Binghamton Devils, Murphy appeared in 2 games before he was recalled to New Jersey on February 9, 2019.

[14] With his NHL prospects dwindling, Murphy opted to move his career abroad, agreeing to a one-year contract with Russian club HC Neftekhimik Nizhnekamsk of the Kontinental Hockey League (KHL), on July 27, 2019.

[16] With the 2020–21 season delayed due to the COVID-19 pandemic, in order to stay in shape Murphy returned to the KHL on loan from the Silver Knights, agreeing to a stint with Belarusian club HC Dinamo Minsk on November 14, 2020.

[18] Following a successful season with the Silver Knights, Murphy secured a one-year, two-way contract with the Detroit Red Wings on July 28, 2021.

A free agent from the Red Wings, Murphy opted to return to the Russian KHL, securing a one-year contract with Salavat Yulaev Ufa on June 29, 2022.

[20] Murphy was cut from the Canadian 2010 Ivan Hlinka Memorial Tournament team despite a great performance during the tryout camp.