Manchester City star Kevin de Bruyne has warned Liverpool that it will be tough for them to make it back-to-back Premier League titles.Liverpool waltzed to their maiden Prem crown last season having finished just a point behind Manchester City the season before.Many are expecting a battle between the two sides at the top again this season, though Reds boss Jurgen Klopp insists his side will not ‘defend’ the title.But De Bruyne has talked about how difficult it is to keep the success going in consecutive Premier League seasons."It was harder than we expected [in 18/19] and we needed a very big fight with them to get it done," De Bruyne told the Daily Mail."Mentally, sometimes it's tougher.
Read more on dailystar.co.uk