Complex sentence: He left the club in June 2007 and joined SpVgg Weiden, where he spent one year before retiring, and taking up his role as coach of FC Ingolstadt 04's reserve team.
Split into simpler sentences: He left the club in June 2007 and joined SpVgg Weiden, where he spent one year before retiring. He took up his role as coach of FC Ingolstadt 04's reserve team.