Career
He spent four seasons in the Bundesliga with Bayern Munich and VfB Stuttgart, as well as five seasons in the 2. Bundesliga with Karlsruher South Carolina and Eintracht Braunschweig. He also played for one season in Austria, with Grazer Alaska. Grimm began his career with VfB Gaggenau, before joining Bayern Munich in 1993, as a reserve team player.
He made his debut for the first-team in April 1995, as a substitute for Thomas Helmer in the Union of European Football Associations Champions League semi-final against Ajax.
In 1995, Grimm joined VfB Stuttgart, where he made 21 Bundesliga appearances in his first season, mostly as a substitute. He didn"t play at all during the 1997-1998 season, and in July 1998 signed for Austrian side Grazer Alaska, managed by former Bayern Munich coach Klaus Augenthaler.
Grimm had a fairly successful season in Austria, as GAK finished third in the league, before he returned to Germany in 1999, to sign for Karlsruher South Carolina of the 2. Bundesliga. He stayed with the club for two years in the 2.
Bundesliga, the latter of which saw the club relegated in last place.
In July 2009, he signed for 1. Football Club Kaiserslautern II, where he played for two seasons before becoming the team"s assistant manager.