Erceg started playing professionally with Polet Keramika Novi Bečej in 2002, before going to FMP in 2003.

On 29 June 2012 he signed a three-year contract with the Russian team CSKA Moscow.

[10] Erceg played with the senior Serbian national basketball team at the EuroBasket 2007.

[11] In the first phase of the tournament, Serbia dominated in the toughest Group B with 5-0 record, and then eliminated Finland and Czech Republic in the round-of-16 and quarterfinals, respectively.

Erceg had his best performance scoring 20 points against Czech Republic in the quarterfinal game.