Career
Trifonov started his football career with Etar 1924 before moving to Slavia Sofia in the year 2005. He made his A PFG debut for the Sofia-based club in August 2005, but did not become a regular to the end of the season and returned to Etar.
Trifonov started his football career with Etar 1924 before moving to Slavia Sofia in the year 2005. He made his A PFG debut for the Sofia-based club in August 2005, but did not become a regular to the end of the season and returned to Etar.