Original sentence: Liverpool dominated during the 1970s and 1980s, while United dominated in the 1990s and 2000s under Sir Alex Ferguson.United's rivals Liverpool are second with 18
Edited sentence: Claim to be second most successful with 18.Liverpool dominated during the 1970s and 1980s in the old first division which is not the premier league, while United dominated in the 1990s and 2000s under Sir Alex Ferguson.United's rivals Liverpool think they are second most succesful but have never actually won The Premier League at all