|Date of birth||28 January 1959|
|Place of birth||Šibenik, SFR Yugoslavia|
|1993–1999||Hajduk Split (assistant)|
|1999||Singapore Armed Forces|
|2010–2012||Croatia assistant coach EURO Poland- Ukraine|
|2013–2014||Croatia U19 (assistant)|
|2017||FC Apolon Smyrnis Greece|
|* Senior club appearances and goals counted for the domestic league only|
Pralija began his career in the Yugoslav First League with HNK Hajduk Split in 1977. He made his club debut on November 11, 1981 against NK Napredak. He also had stints with RNK Split, HNK Šibenik, and NK Čelik Zenica. In 1987, he played abroad in the Bundesliga with Hamburger SV. After the formation of the Croatian First Football League he played with NK Pazinka. He played abroad once more in 1992 in the National Soccer League with Toronto Croatia.
After his retirement from competitive football he made the transition to a football manager. In 1999, he managed the Singapore Armed Forces FC in the S.League. There he achieved the Singapore Cup for the team. In 2018, he was appointed assistant manager under Zoran Vulić for Hajduk Split in the Croatian First Football League.
- "Mladen Pralija". worldfootball.net. Retrieved 19 July 2013.
- "Players database • HNK Hajduk Split". hajduk.hr (in Croatian). Retrieved 15 October 2017.
- "Mladen Pralija - 1987/1988". Fussballdaten. Retrieved 15 October 2017.
- Laux, Alexander (20 June 2013). "Transfer-Flops: Der größte Fliegenfänger der Liga spielte beim HSV". DIE WELT. Retrieved 15 October 2017.
- "Mladen Pralija". hrnogomet.com. Retrieved 15 October 2017.
- "CANADA, 1994".
- happy. "S-league: Facts & Figures". Retrieved 15 October 2017.
- SC. "Zoran Vulić službeno trener Hajduka, Mladen Pralija i Mario Carević pomoćnici - SportCom.hr" (in Croatian). Retrieved 9 September 2018.