So who are the 19 teams who have won in the second round already?
Here's every final result so far...
Accrington Stanley 2-2 Mansfield Town (Mansfield win 3-1 on penalties)
Chelmsford City 0-2 Weston-super-Mare
Cheltenham Town 6-2 Buxton
Exeter City 4-0 Wycombe Wanderers
Fleetwood Town 2-2 Luton Town (Fleetwood won 4-2 on penalties)
Grimsby Town 4-0 Wealdstone
MK Dons 3-1 Oldham Athletic
Peterborough United 0-1 Barnsley
Port Vale 1-0 Bristol Rovers
Stockport County 0-0 Cambridge United (Cambridge won 5-4 on penalties)
Swindon Town 4-0 Bolton Wanderers
Wigan Athletic 2-2 Barrow (Wigan win 4-3 on penalties)
Sutton United 1-2 Shrewsbury Town AET
Chesterfield 1-2 Doncaster Rovers
Slough Town 1-3 Macclesfield
Boreham Wood 3-0 Newport County
Gateshead 0-2 Walsall
Blackpool 4-1 Carlisle United