2004–05 Middlesbrough F.C. season
Columns: Round | Date | Opponent | Venue | Result | Attendance
1 Leg 1 | 16 September 2004 | Baník Ostrava | Home | 3-0 | 29746 | 1 Leg 2 | 30 September 2004 | Baník Ostrava | Away | 1-1 (3-1 agg) | 15351 | Grp E | 21 October 2004 | Egaleo | Away | 1-0 | 4000 | Grp E | 4 November 2004 | Lazio | Home | 2-0 | 33991 | Grp E | 25 November 2004 | Villarreal | Away | 2-0 | 14250 | Grp E | 15 December 2004 | Partizan | Home | 3-0 | 20856 | 3 Leg 1 | 17 February 2005 | Grazer AK | Away | 2-2 | 13000 | 3 Leg 2 | 24 February 2005 | Grazer AK | Home | 2-1 (4-3 agg) | 20371 | 4 Leg 1 | 10 March 2005 | Sporting | Home | 3-2 | 23739 | 4 Leg 2 | 17 March 2005 | Sporting | Away | 1-0 (4-2 agg) | 21217