In 2006, along with youth adolescents he is disposed of Litex River (Montana) where the head coach at the time is Ferario Spasov.

Before the start of the 2006–07 season was then sold to the elite Lokomotiv (Mezdra) which is liked by the then sports director George Bachev.

In the summer of 2012 with an option to continue his career in Poland, but after she failed to sign two years with the elite rookie Etar Veliko Tarnovo [2] Tsanko Tsvetanov coach a vote of confidence and even makes the team captain.

Trifonov started to play football by Etar Veliko Tarnovo, where Litex Lovech scouted him, and signed him for the youth-team.

He made his debut in professional football, being part of the Dunav Rousse squad in the 2005–06 season in second division.