|Full name||Daniel Ventsislavov Mladenov|
|Date of birth||25 May 1987|
|Place of birth||Kyustendil, Bulgaria|
|Height||1.76 m (5 ft 9 in)|
* Senior club appearances and goals counted for the domestic league only and correct as of 29 May 2016.
In June 2007, Mladenov signed a contract for three years with Marek Dupnitsa.
One year later, in 2008, Daniel signed with PFC Pirin Blagoevgrad.
On 9 June 2010, he signed his 3-year contract. On 30 June 2010, he made his unofficial debut for Levski in a match against FCM Târgu Mureş. Mladenov entered the match as a substitute and scored 2 goals.
On 16 December 2010, Mladenov netted the only goal (right at the end of the first half) for Levski Sofia in the 1:0 home win against Sporting CP in the final UEFA Europa League match of the group phase. However, the team from Sofia had already been eliminated from the competition.
On 3 August 2012, he signed 2-year contract with Chernomorets Burgas for free. On 13 December, he was arrested for illegal betting. Three days later he was released from the club. However, he did not face any legal charges.
Cherno More Varna
- As of 30 May 2012.
- "Soccer-Bulgarians held for illegal betting, not match-fixing". yahoo.com. Retrieved 5 January 2013.
- "Дани Младенов подписа с Монтана, идва от Черноморец". topsport.bg. Retrieved 29 April 2013.
- "Марек влезе в "Б" група за сметка на отбора на Бойко Борисов". sportal.bg. Retrieved 2 June 2013.
- "Гонзо взе четирима, освободи Идалго" (in Bulgarian). gong.bg. 2013-06-05.