|Date of birth||28 February 1958|
|Place of birth||Písek, Czechoslovakia|
|Playing position||Defender / Manager|
|1981–1982||→ VTJ Tábor (loan)|
|1982–1988||Dynamo České Budějovice|
|1983–1989||Dynamo České Budějovice (youth)|
|1989–1991||Dynamo České Budějovice|
|2004–2005||1. FC Brno|
|2008||Czech Republic U-21|
|2011||Dynamo České Budějovice|
|* Senior club appearances and goals counted for the domestic league only.
As a manager Kotrba led several Czech clubs, gaining success with some of them. In the 2002/2003 season he won the Gambrinus liga with Sparta Prague. In 1994 Kotrba won the Czech Cup with Viktoria Žižkov, in 1998 he won the cup with FK Jablonec.
In June 2011, Kotrba returned to club management after a four-year break to replace Jaroslav Šilhavý as manager of České Budějovice. His return was, however, short-lived, as after overseeing a winless start to the 2011–12 Gambrinus liga during which his team took no points from the opening five games, he was replaced as head coach by František Cipro, with Kotrba staying at the club in the role of general manager.
- "Kotrba se vrací k trénování, povede fotbalisty Českých Budějovic". idnes.cz (in Czech). 2011-06-06. Retrieved 2011-06-15.
- "Na českobudějovickou lavičku se po čtyřech letech vrací trenér Cipro" (in Czech). idnes.cz. 7 September 2011. Retrieved 13 September 2011.
- (in Czech) Article in the Hattrick magazine
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