Utter the name Tom Henning Ovrebo to any Chelsea fan and you will likely receive a furious tirade littered with conspiracy theories for your troubles.
Exactly 13 years have passed since Ovrebo cemented lifelong villain status at Stamford Bridge, the scene of his most infamous refereeing crime. Though for Blues supporters the night in question remains a sore subject.
On May 6, 2009, Chelsea welcomed Barcelona to west London for a crucial Champions League semi-final second leg, with the aggregate score locked at 0-0 following a stalemate in the first.