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| 1st(1st leg) | Atlante | - | CF Monterrey | 2:4 (0:0) | ||
| 2nd (2nd leg) | CF Monterrey | - | Atlante | 3:1 (1:0) | ||
| 1st(1st leg): 01/12/2004 21:00 | 2nd (2nd leg): 05/12/2004 02:00 | Winner: CF Monterrey | ||||
| 1st(1st leg) | Pumas UNAM | - | Atlas Guadalajara | 4:3 (2:1) | ||
| 2nd (2nd leg) | Atlas Guadalajara | - | Pumas UNAM | 1:2 (0:1) | ||
| 1st(1st leg): 03/12/2004 02:30 | 2nd (2nd leg): 06/12/2004 01:00 | Winner: Pumas UNAM | ||||
