|Date of birth||15 June 1986|
|Place of birth||Split, Croatia|
|Height||1.87 m (6 ft 1 1⁄2 in)|
|Playing position||Centre Back|
|1995–1997||NK BŠK Zmaj Blato|
|2012||Austria Wien II||1||(0)|
* Senior club appearances and goals counted for the domestic league only and correct as of 17:51, 22 May 2015 (UTC).
On March 3, 2009, in a match against Dinamo Zagreb Kaja received an instant red card after a particularly nasty tackle on Mario Mandžukić. Later on, he was suspended for two games and had to pay a fine of around €700.
- Rogulj suspended (Croatian)