Career
Valyayev become one of several football players that were bought by Metalist Kharkiv in 2005 by the new manager Myron Markevych. He was called up along with fellow team-mates Marko Dević and Valentyn Slyusar by Oleksiy Mykhailychenko for a friendly match against Norway on 19 November 2008. His second appearance for the team was significant, as he scored the opening goal in the tenth minute of a friendly match against Cyprus on 10 February 2009.