Of all the teams to leave Manchester City's quadruple hopes in ruins, it ended up being League One side Wigan in one of the most brilliant upsets in FA Cup history.
Will Grigg rifled home in the 79th minute to dump Pep Guardiola's men out of the tournament. But the Premier League leaders didn't go down without a battle and the heated tie ended with a crowd invasion which took a turn for the worst.
Sportsmail recounts the major talking points as they occurred at the DW stadium.
7:55pm: KICK-OFF
'Crackling atmosphere at the DW stadium,' said BBC commentator Steve Wilson after being introduced by Match of the Day presenter Gary Lineker.