BBC Sport looks back at one of the competition's most controversial games - a winning goal from Marc Overmars resulted in Arsenal's fifth-round tie with Sheffield United having to be replayed in 1999.

Sheffield United embodying Arsenal spirit with amazing record that dwarfs promotion rivals Arsenal’s remarkable propensity ...

Cardiff City forward Cian Ashford's 19th-minute striker was enough to earn his side a 1-0 win over Sheffield United in their FA ... to be proud of' - Tindall Arsenal's best opportunity to win ...

Thats all. Game finished - Sheffield Wednesday 0, Sheffield United 1. First Half starts. 2' Shot blocked. Callum Paterson - Sheffield Wednesday - shot with right foot from the left side of the box ...

Millwall's 1-0 win at Sheffield United moved the Lions within three points of the play-off places. Josh Coburn's 21st-minute ...

It's now 0-6 in Sheffield as Ben White scores for Arsenal. Kai Havertz instrumental with a fine assist. Chris Wilder (Sheffield Utd) is making a fourth substitution, with George Baldock replacing ...

Substitute striker Muhamed Tijani scored an 88th-minute winner as basement side Plymouth upset promotion-chasing Sheffield United 2-1 at Home Park. Tijani scored from 12 yards out after United ...

Fifteen single-goal wins for Sheffield United this season. That is eight wins out of nine away from home for the Blades as well, and in the Championship this year they have won 10 games 1-0.