Verified from 9 cited sources and the canonical match record.
Pre-match Elo1592 → 1592(0)
Manchester United 49%51% Grimsby Town
Manchester United went in as the underdog by rating, 1592 to Grimsby Town’s 1541.
MUFCInfo match lineups
Datareference
attendance:supporting, result, starting-lineup
attendance:supporting, result, starting-lineup
engsoccerdata
Datadataset
attendance:supporting, result, starting-lineup