The Big 4 applies to Arsenal, Chelsea, Liverpool and Utd. The term came about after the introduction of 4 CL places, which these four teams have tended to dominate (from memory I think only Everton and Spurs have broken this stranglehold). The term has nothing to do with 'exposure and following'. I would argue that within the Big 4 there is a Big 2 of Chelsea and Utd, since they have dominated the actual winning of the PL in the last 6 seasons, with the 3rd and fourth placed teams some distance away. With the emergence of Spurs and Citeh, and the demise of Liverpool, the original Big 4 is probably already defunkt...