After scoring 40 goals and 40 assists for 80 points in 60 games and posting a +48 plus-minus rating, Grachyov was announced as the winner of the Emms Family Award as OHL Rookie of the Year on April 8, 2009.

[2] In the 2009–10 season, Grachyov played with the Hartford Wolf Pack of the American Hockey League (AHL), the Rangers' top-level minor league affiliate, where he scored 12 goals and 16 assists in his first season as a professional in North America.

[8] On January 23, 2011, he was again promoted to New York, but again sent down for two games with the Connecticut Whale – the Rangers' new AHL affiliate – during the NHL All-Star break.

[14] Grachyov scored his first career NHL goal on December 26 against the Dallas Stars' Andrew Raycroft.

After two further seasons with Vladivostok, Grachyov left to return to another former club, Amur Khabarovsk, as a free agent after signing a one-year contract on 24 May 2023.