| From | Team | Fee | Apps | Goals | To | |
|---|---|---|---|---|---|---|
| 1993 | Estudiantes de La Plata | - | 61 | 7 | 1996 | (Player) |
| 1996 | Sampdoria | Β£3,000,000 | 61 | 6 | 1998 | (Player) |
| 1996 | Boca Juniors | - | 17 | 3 | 1996 | (Player) |
| 1998 | Parma | Β£13,000,000 | 26 | 1 | 1999 | (Player) |
| 1999 | Lazio | Β£18,100,000 | 53 | 11 | 2001 | (Player) |
| 2001 | Manchester United | Β£28,100,000 | 51 | 7 | 2003 | (Player) |
| 2003 | Chelsea | Β£15,000,000 | 7 | 1 | 2005 | (Player) |
| 2004 | Inter Milan | Loan | 49 | 3 | 2005 | (On loan) |
| 2006 | Estudiantes de La Plata | Loan | 30 | 2 | 2007 | (On loan) |
| 2007 | Estudiantes de La Plata | - | 219 | 27 | 2017 | (Player) |