[1] He made his professional and KHL debut with Novokuznetsk during the following 2012–13 season, appearing in relief during a 8–6 defeat to Barys Astana on 7 January 2013.

During his third year within Metallurg Novokuznetsk in the 2014–15 season, Sorokin appeared in 22 games before he was traded to perennial powerhouse club, CSKA Moscow, in exchange for financial compensation on 24 December 2014.

On 13 July 2020, Sorokin was signed to a one-year, entry-level contract with draft club the New York Islanders for the remainder of the 2019–20 season.

However, unsigned prospects from other leagues, such as Sorokin in the KHL, were ruled ineligible to feature in the Return to Play phase following the outbreak of the COVID-19 pandemic.

[9][10] Sorokin's first NHL point came on 9 March 2023, when he received an assist after poke-checking a puck which led to a breakaway for Brock Nelson and the game winning goal in overtime against the Penguins.