[4] Five days later, on 15 March, Zlatkov was again included in the starting lineup and he assisted for the first goal scored by Milen Gamakov and had a solid overall performance during the important 2-0 win over CSKA Sofia.

[5] Daniel Zlatkov participated in 10 games in A Grupa during spring 2015 and because of his solid performance the fans of Botev Plovdiv selected him among the ten best players of the season.

[10] On 2 March 2017, Zlatkov signed a 2-year contract with Belarusian club Shakhtyor Soligorsk,[11] for which he made just 3 appearances, scoring one goal.

[12] After a brief stint as a MMA fighter, Daniel Zlatkov returned to football by joining Lokomotiv Sofia in February 2018, but the contract was not signed.

[13] In November 2016 Zlatkov received his first call-up to the senior Bulgaria squad for a match against Belarus,[14] but remained on the bench.