In the first of a new series, we look back to Manchester United's 3-2 Champions League win against AC Milan in the San Siro in 2010. Do they now feel like halcyon days?
He is a milk pan of passions, emotions, beliefs and grievances, boiling over intermittently whether he likes it or not. And our boys love him all the more for that...
1) When Ronaldo won the Ballon d'Or in 2008, he became the first Man United recipient since which player?
2) A supposed foul on which player ruled Darren Fletcher out of the 2009 Champions League final?
3) Which United stalwart once cost his former club a set of kit, a bag of balls and a goal net?
Gary Pallister - he joined Middlesbrough from Billingham Town.
4) What shirt number did Michael Carrick - previously worn by Roy Keane - take when he joined United?
5) Which player's 21-year-old brother is currently on the books at United?
Wes Brown (his brother is Reece).
6) Ole Gunnar Solskjaer famously committed a professional foul against which Newcastle player in 1998?
7) Who were the other two members of Patrice Evra's bizarre gang of three friends at United?
Carlos Tevez and Park Ji-Sung.
8) Which United stalwart is currently playing for Portland Timbers?
9) Which club did Peter Schmeichel join on leaving Manchester United?
10) Who played as an emergency striker in 2007/08 to complete the set of positions played for the club?
11) What's the significance of Viorel Moldovan to this list of players?
He's the Romanian fouled by Phil Neville as England exited Euro 2000.
12) List the six professional clubs represented by David Beckham.
Manchester United, Preston, Real Madrid, LA Galaxy, Ac Milan and PSG.
13) Nicky Butt walked out on a Birmingham loan after Steve Bruce picked which player in his stead?
Alex Bruce, of course.
14) Which club bid £20m for Wayne Rooney shortly before he joined Manchester United?
15) Rio Ferdinand has twice been the world's most expensive defender. Which Frenchman held that record between Ferdinand's two spells.
16) Name two of Denis Irwin's three other clubs in English football.
Leeds, Oldham and Wolves.
17) Roy Keane picked up the first of 11 red cards for United with a stamp on which English defender who he now knows quite well?
18) Gary Neville broke which Liverpool defender's record for the most number of England caps as a right-back?
19) Who famously said that there was a "little bit of a darker side" to Paul Scholes?
20) What was Ryan Giggs' given surname?