Former Manchester United centre back Rio Ferdinand has shed some light who was allowed to make fun of Sir Alex Ferguson during his 27 years at the club.
Ferguson, who won a staggering 13 Premier League titles at Old Trafford, was known to give his players the hairdryer treatment when performances did not come up to scratch.
And Ferdinand, who played under the highly-regarded boss for 11 years, has revealed there was one member of the United team that could get away with joking with Ferguson - dinner lady Carol.
'Carol was a very funny lady.