The 2020–21 Southampton F.C. season was the club's 104th season in existence and the club's 9th consecutive season in the top flight of English football. In addition to the domestic league, Southampton participated in the season's editions of the FA Cup, and the EFL Cup.
Source: Premier League Rules for classification: 1) Points; 2) Goal difference; 3) Goals scored; 4) If the champions, relegated teams or qualified teams for UEFA competitions cannot be determined by rules 1 to 3, rules 4.1 to 4.3 are applied – 4.1) Points gained in head-to-head record between such teams; 4.2) Away goals scored in head-to-head record between such teams; 4.3) Play-offs[37]
The third round draw was made on 30 November 2020, with Premier League and EFL Championship all entering the competition.[39] On 7 January 2021, Southampton's third round tie with Shrewsbury Town was postponed following a number of positive COVID-19 tests within the Shrewsbury squad,[40] with the game re-arranged for 19 January.[41][42] The draw for the fourth and fifth rounds was made, live on BT Sport by Peter Crouch on 11 January.[43] The draw for the quarter finals was made, live on BT Sport by Karen Carney on 11 February.[44] The draw for the semi-finals was made, live on BBC One by Dion Dublin on 21 March.[45]