| From | Team | Fee | Apps | Goals | To | |
|---|---|---|---|---|---|---|
| 1995 | Chemnitzer FC | - | 49 | 10 | 1997 | (Player) |
| 1997 | 1. FC Kaiserslautern | - | 63 | 12 | 1999 | (Player) |
| 1999 | Bayer 04 Leverkusen | Β£3,600,000 | 79 | 27 | 2002 | (Player) |
| 2002 | Bayern Munich | Β£9,600,000 | 107 | 44 | 2006 | (Player) |
| 2006 | Chelsea | Free | 105 | 16 | 2010 | (Player) |
| 2010 | Bayer 04 Leverkusen | - | 35 | 2 | 2012 | (Player) |