Celtic were beaten 2-1 by Bayern Munich in the Champions League on Tuesday evening.
The Celtic manager says that he wanted to sign Thiago Alcantara from Barcelona before his move to Bayern Munich in the summer of 2013.
Bayern Munich duo Douglas Costa and Thiago’s performances against Arsenal impressed Queens Park Rangers striker Charlie Austin.
United goalkeeper admits he has urged Spanish team-mate to make the move to Manchester
Spain’s top division La Liga has often laid claim to being the best domestic league in the world, vying for that title with the Premier League and the Bundesliga in Germany.