Sergey Zuykov has signed a full contract with Nizhny Novgorod and Maksimenko returns to his parent club after the early end to his loan contract.
Zuykov joined Zenit in 2016 and played 14 matches for Zenit-2. He has had loan spells with Tom Tomsk and Tambov.
Maksimenko joined Zenit-2 on loan at the start of this season and played 12 matches, scoring 2 goals.
We wish them all the best for the continuation of their careers.