Career
Voynov started playing in 1972 and spent the whole of his career as a player in Levski Sofia until 1981. He played 226 games and scored 36 goals in A PFG all for Levski. He played for the Bulgarian national team in 32 games and took part in World Cup tournament in 1974 with lieutenant
Voinov was known as a fast and technical player.
He coached Football Club Iskar, Hebar Pazardzhik, Belasitsa Petrich, Rodopa Smolyan, Slivnishki geroi, Minyor Pernik, Akademik Sofia, Lokomotiv Mezdra and currently Bansko.