Middlesbrough FC Heaviest Defeats
| Match Date | Opponent | F | A | ||
|---|---|---|---|---|---|
| 06-11-54 | Blackburn Rovers | Away | 0 | 9 | Info |
| 19-04-35 | Arsenal | Away | 0 | 8 | Info |
| 25-03-40 | Darlington | Away | 0 | 8 | Info |
| 14-01-06 | Arsenal | Away | 0 | 7 | Info |
| 12-09-53 | Charlton Athletic | Away | 1 | 8 | Info |
| 26-03-48 | Arsenal | Away | 0 | 7 | Info |
| 25-10-30 | Leeds United | Away | 0 | 7 | Info |
| 31-01-31 | Aston Villa | Away | 1 | 8 | Info |
| 01-01-30 | Blackburn Rovers | Away | 0 | 7 | Info |
| 26-12-05 | Birmingham City | Away | 0 | 7 | Info |
| 06-12-41 | Newcastle United | Home | 0 | 7 | Info |
| 28-08-65 | Huddersfield Town | Away | 0 | 6 | Info |
| 11-04-66 | Bolton Wanderers | Away | 0 | 6 | Info |
| 03-11-62 | Southampton | Away | 0 | 6 | Info |
| 25-12-52 | Tottenham Hotspur | Away | 1 | 7 | Info |
| 29-12-51 | Burnley | Away | 1 | 7 | Info |
| 19-01-52 | Fulham | Away | 0 | 6 | Info |
| 31-03-51 | Derby County | Away | 0 | 6 | Info |
| 08-09-45 | Newcastle United | Home | 0 | 6 | Info |
| 07-03-36 | Manchester City | Away | 0 | 6 | Info |
| 30-09-33 | Arsenal | Away | 0 | 6 | Info |
| 25-12-31 | Aston Villa | Away | 1 | 7 | Info |
| 20-09-13 | Blackburn Rovers | Away | 0 | 6 | Info |
| 14-12-07 | Aston Villa | Away | 0 | 6 | Info |
| 27-01-00 | Chesterfield | Away | 1 | 7 | Info |
| 27-12-41 | Sunderland | Away | 0 | 6 | Info |
| 19-09-09 | West Bromwich Albion | Home | 0 | 5 | Info |
| 18-10-08 | Chelsea | Home | 0 | 5 | Info |
| 17-02-99 | Everton | Away | 0 | 5 | Info |
| 24-04-99 | Arsenal | Home | 1 | 6 | Info |
| 04-03-98 | Queens Park Rangers | Away | 0 | 5 | Info |
| 04-02-96 | Chelsea | Away | 0 | 5 | Info |
| 05-03-83 | Queens Park Rangers | Away | 1 | 6 | Info |
| 18-03-78 | Leeds United | Away | 0 | 5 | Info |
| 23-01-24 | Chelsea | Away | 1 | 6 | Info |
| 26-09-67 | Birmingham City | Away | 1 | 6 | Info |
| 13-11-65 | Derby County | Away | 0 | 5 | Info |
| 15-01-65 | Cardiff City | Away | 1 | 6 | Info |
| 25-08-62 | Huddersfield Town | Home | 0 | 5 | Info |
| 29-08-62 | Newcastle United | Away | 1 | 6 | Info |
| 19-11-60 | Luton Town | Away | 1 | 6 | Info |
| 31-10-59 | Leyton Orient | Away | 0 | 5 | Info |
| 02-11-57 | Bristol Rovers | Away | 0 | 5 | Info |
| 26-11-55 | Bristol Rovers | Away | 2 | 7 | Info |
| 17-12-55 | Notts County | Away | 0 | 5 | Info |
| 01-09-54 | Ipswich Town | Away | 1 | 6 | Info |
| 16-01-54 | Burnley | Away | 0 | 5 | Info |
| 27-08-24 | Stoke City | Home | 0 | 5 | Info |
| 16-02-52 | Chelsea | Away | 0 | 5 | Info |
| 04-09-48 | Preston North End | Away | 1 | 6 | Info |