Fifa 2018 world cup is hosted by Country Russia.In order to enter fifa play off .They have different confederation and have different rules for qualifying for fifa 2018 world cup.
List of Confederations

• Africa
• Asia
• Europe
• North,Central America & Caribbean Sea
• Oceania
• South America

->For Africa They have to clear 3 rounds for entering into the fifa World cup
->For Asia they will have to clear 4 rounds and they have qualify a play off match then they can enter into the fifa      world Cup.
->For Europe they have to qualify for 2 rounds then they can directly enter for Fifa world cup competition match.
->For North,Central America & Caribbean Sea They have to clear 5 rounds.Those football clubs who clear in all             rounds they eligible for play off match.After clearing that match they enter for fifa finals.
->For Oceania they have to qualify for 3 rounds then they can eligible for play off match.Then they can enter for          finals.
->For South America they have to clear 1 rounds and if they clear on play off match.Then clubs will be selected for      finals.

Premier League is an English Professional football club.It was founded in the year 1992.It includes 20 teams.It is top football league among all Leagues.Current championships holds to Leicester City foot ball club.Manchester United holds 13 titles in Premier Leagues.
Teams of Premier league is as follows:

1. Chelsea    
2. Tottenham Hotspur
3. Liverpool
4. Manchester City
5. Manchester United
6. Everton
7. Arsenal
8. West Bromwich Albion
9. Southampton
10. Watford
11. Stoke City
12. Crystal Palace
13. Bournemouth
14. West Ham United
15. Leicester City
16. Burnley
17. Hull City
18. Swansea City
19. Middlesbrough
20. Sunderland