1990–91 Middlesbrough F.C. season
During the 1990–91 English football season, Middlesbrough F.C. competed in the Football League Second Division.Season summary
In the 1990–91 season, Boro finished 7th in the Second Division on goal difference, qualifying for the end of season play-offs. However, they lost in the semi finals of the playoffs against Notts County.Squad
Appearance and goalscoring records for all the players who were in the Middlesbrough F.C. first team squad during the 1990–91 season.Transfers
In
Out
| Date | Player | New Club | Fee |
| July 1990 |  Mark Brennan | Manchester City | £500,000 |
| July 1990 | Peter Davenport | Sunderland | £394,000 |
| October 1990 | Mark Burke | Wolves | Loan |
| March 1991 | Mark Burke | Wolves | £32,000 |
| January 1990 | Kevin Poole | Hartlepool United | Loan |
Results
Football League Second Division play offs
Notts County won 2–1 on aggregate.FA Cup
League Cup
Full Members' Cup
