All you need to know !
The draw will take place live on BBC One from 7pm tonight .
West Ham will be ball number 42.
What are all the other numbers?
1 AFC Bournemouth
2 Arsenal
3 Aston Villa
4 Barnsley
5 Birmingham City
6 Blackburn Rovers
7 Brentford
8 Brighton & Hove Albion
9 Bristol City
10 Burnley
11 Cardiff City
12 Chelsea
13 Coventry City
14 Crystal Palace
15 Derby County
16 Everton
17 Fulham
18 Huddersfield Town
19 Leeds United
20 Leicester City
21 Liverpool
22 Luton Town
23 Manchester City
24 Manchester United
25 Middlesbrough
26 Millwall
27 Newcastle United
28 Norwich City
29 Nottingham Forest
30 Preston North End
31 Queens Park Rangers
32 Reading
33 Rotherham United
34 Sheffield United
35 Sheffield Wednesday
36 Southampton
37 Stoke City
38 Swansea City
39 Tottenham Hotspur
40 Watford
41 West Bromwich Albion
42 West Ham United
43 Wolverhampton Wanderers
44 Wycombe Wanderers
45 Stevenage
46 Blackpool
47 Tranmere Rovers
48 Crawley Town
49 Stockport County
50 Plymouth Argyle
51 Portsmouth
52 Cheltenham Town
53 Chorley
54 Morecambe
55 Shrewsbury Town
56 Mansfield Town
57 Newport County
58 Marine
59 Exeter City
60 Canvey Island or Boreham Wood
61 Doncaster Rovers
62 Milton Keynes Dons
63 Bristol Rovers
64 Oldham Athletic
