Ball numbers for the fourth round draw:
1 - Crystal Palace or Stoke City
2 - Brighton & Hove Albion
3 - Tottenham Hotspur
4 - Wigan Athletic or Bournemouth
5 - Fulham or Blackpool
6 - Aston Villa
7 - Huddersfield Town
8 - Macclesfield Town
9 - Barnsley
10 - Manchester City
11 - Swansea City or Arsenal (play on Sunday)
12 - Leicester City
13 - Millwall
14 - Cheltenham Town or Everton (play on Monday)
15 - Derby County
16 - Reading
17 - Aldershot Town
18 - Middlesbrough
19 - Sheffield United
20 - Chelsea
21 - Queens Park Rangers or West Bromwich Albion
22 - Norwich City
23 - Mansfield Town or Liverpool
24 - Bolton Wanderers or Sunderland
25 - Oldham Athletic
26 - West Ham United or Manchester United
27 - Hull City or Leyton Orient
28 - Blackburn Rovers
29 - Leeds United or Birmingham City
30 - Southend United or Brentford
31 - Luton Town
32 - Sheffield Wednesday or Milton Keynes Dons
Ties to be played on the weekend of 26-27 January
Come on Arsenal.