Verified from 24 cited sources and the canonical match record.
FA Cup replay
Pre-match Elo1560 → 1541(-19)
Manchester United 67%33% Portsmouth
Manchester United went in as the favourite by rating, 1560 to Portsmouth’s 1500.
MUFCInfo goal minutes
Datareference
attendance:supporting, notes:supporting, opposition-goals, result, starting-lineup, united-scorers
MUFCInfo match lineups
Datareference
attendance:supporting, notes:supporting, opposition-goals, result, starting-lineup, united-scorers
attendance:supporting, notes:supporting, opposition-goals, result, starting-lineup, united-scorers
engsoccerdata
Datadataset
attendance:supporting, notes:supporting, opposition-goals, result, starting-lineup, united-scorers