You know you’re signing a good player when he's previously been a thorn in your side – and Manchester United fans know all about Juan Mata’s qualities.
A player of technical class, poise and balance, with exemplary vision for a creative pass and a keen eye for goal, Mata has scored three times against the Reds.
The Spaniard netted a thumping far-post volley in the 3-3 Barclays Premier League draw in London in February 2012. He scored direct from a free-kick in his side’s 3-2 loss at Stamford Bridge in October later that year, and a bobbling left-footed 87th minute goal in May 2013 clinched a 1-0 win at Old Trafford.
Read the full version of this article - and watch the video - in our special Mata section.