After a decade of successfully tackling the wide-ranging collection of football queries proposed by its readers, guardian.co.uk's dedicated battalion of sleuths continues to uncover the answers in the weekly online columns The Knowledge. Trawling through the archives of nerdvana, this compilation uncovers the truth behind such questions as:
Has a referee ever been sent off?
Which players have attacked their own fans?
Is Paolo Maldini the greatest runner-up ever?
Did pigs once force a match to be abandoned?
Who are the most benevolent players ever?
How did Alan Hansen get his scar?
What is the fastest ever sending-off?
And which is the world's greenest club?
All of these posers and many, many more are answered in this collection of the best and most bizarre questions and answers from The Knowledge. (pb)