Mladen Petric is a Croatian international footballer who plays for Fulham. He recorded his football career by playing at the local club FC Neuenhof before moving to FC Baden and starting his professional career at the club in the summer of 1998. He left Baden after one season and went on to sign withGrasshopper Club Zürich in the summer of 1999. At club level, Petrić spent five seasons with Grasshopper before leaving the club for FC Basel in the summer of 2004. He was acquired for a transfer fee of €3 million and signed a four-year contract until June 2008. Petrić was fourth leading goalscorer of the Swiss Super League for the 2005–06 season, scoring 15 goals in 31 matches. He finished the 2006–07 Swiss Super League as the top goalscorer with 19 goals for Basel.
On 11 June 2007, Petrić signed for Bundesliga team Borussia Dortmund. He was one of the league's top scorers in his first season in Germany and also made a notable assistance to his side reaching the DFB-Pokal final. On 17 August 2008, Petrić's transfer from Dortmund to Hamburger SV was confirmed by him signing a four-year contract. He scored his first goal for the club on 13 September 2008, netting the winner in their 3–2 win against Bayer Leverkusen. After being released by Hamburg at the end of the 2011–12 campaign, Petrić signed a one-year deal with Fulham. In 2001, Petrić was spotted in Switzerland by Mirko Jozić, head coach of the Croatian national team at the time, and made his international debut for Croatia during the team's South Korean tour in November 2001. Because of his impressive qualifying campaign, his profile was piuckedto be in Croatia's Euro 2008 squad.