Quiz! Can you name the European clubs to have achieved unbeaten seasons?

Last night againstWest Ham markedan impressivepoint of Liverpool'scampaign: they have nowbeaten every other team in the league this season.So, until Jurgen Klopp's tricky Redslose a game of football, we're probably all going to be hearing a lot about the potential they have for an unbeaten season.Should Liverpool become immortal come May, they won't be the only team to have done it - yes, we know you're thinking of that one, but we've got a few more for you.Across Europe, some of the Champions League's regular entrants have recorded undefeated seasons in the last half century. Check out 1986 to 1989 in Romania, where one side managed three of them on the bounce.We've given you seven minutes to name as many as you possibly can. Let us know how you did @FourFourTwo – and remember to challenge your mates too.THEN TRY...Can you name the most valuable players in the world over 30?---While you’re here, why not take advantage of our brilliant subscribers’ offer? Get thegame’s greatest stories and best journalism direct to your door for only £10.25 every three months – that’s just £3.15 per issue! Save money with a Direct Debit today More greatfootball quizzes on FourFourTwo.com