|Date of birth||9 December 1964|
|Place of birth||Riesa, East Germany|
|Height||1.76 m (5 ft 9 1⁄2 in)|
|1993–1994||TuS Celle FC|
|1995–1996||SC Paderborn 07|
|1996||Damla Genc Hannover|
|1997–2000||1. FC Magdeburg||98||(11)|
|* Senior club appearances and goals counted for the domestic league only.
He played in the Fußball-Bundesliga for Borussia Mönchengladbach and in the 2. Fußball-Bundesliga for SV Meppen and Hannover 96. Kretzschmar was part of the Hannover 96 team that surprisingly won the 1992 DFB-Pokal final against Mönchengladbach. Kretzschmar was one of the successful players in the penalty shoot-out. He played his first Bundesliga match on 20 August 1988 when he was subbed in in Mönchengladbach's win over SV Werder Bremen. His last professional match as on 30 May 1993 with Hannover 96 against VfB Oldenburg. Altogether, Kretzschmar played 8 Bundesliga matches without scoring and 113 2nd Bundesliga matches, scoring twice. In addition, he appeared in two matches in the European Cup Winners' Cup for Hannover 96. In 1993, he returned to amateur status and only played for amateur clubs. Aside from his football career, he trained as an office management assistant to prepare for the time after his playing career. His last station as a player was 1. FC Magdeburg where he won promotion to the third-tier Regionalliga Nordost in 1997.
- "Jörg Kretzschmar" (in German). fussballdaten.de. Retrieved 25 May 2009.
- Matthias Arnhold. "The European Cup Winners' Cup 1992/93 – Hannoverscher SV 96 (GER)". rsssf.com. Retrieved 25 May 2009.