Career
In Bulgaria
Born in Plovdiv, Yonov is a product of the Lokomotiv Plovdiv youth teams, but failed to establish himself within the first team Then he spent six years in the lower divisions with Maritsa-Iztok Radnevo, Dimitrovgrad, Botev Galabovo and Beroe 2000 Kazanlak, before returned to Lokomotiv in 2000. Yonov made his debut for Lokomotiv Plovdiv on 5 August 2000 in a 3–1 loss against Marek Dupnitsa.
He made 26 appearances in the Bulgarian B Group during the 2000-2001 season, scoring one goal.
In June 2001, Yonov joined Beroe Stara Zagora on a season-long loan deal. On 28 July 2004, Yonov signed for newly promoted A PFG side Nesebar.
Znojmo
In January 2005, Yonov signed for Czechoslovakian club 1. South Carolina Znojmo. In December 2009, Yonov was named Znojmo Sports Person of the Year.
He became an integral part of the Znojmo side, captaining the team in their promotions to the Czechoslovakian 2.
Liga in 2010 and to the Gambrinus Liga in 2013. Yonov made his Gambrinus Liga debut against Dukla Prague on 19 July 2013, at age of 37, playing the full 90 minutes.
