[3] He played for Whittlesey and for Kettering Town before joining Cambridge United as an 18-year-old, where he went on to make 410 league appearances, helping the club to promotions from the Fourth to the Second Division.
[5] In 1999 Fallon took over as manager of Histon, and led them from the Eastern Counties League Premier Division (level 9 of the English football league system) to the Conference National (level 5).
[6] In December 2006, Histon faced Fallon's former club Cambridge United in the first round of the FA Trophy in the first competitive match for more than 40 years between the two clubs, who had been seven divisions apart as recently as the early 1990s.
[7] On 12 January 2010, a day after being re-instated as manager after being suspended following disagreements with the Chairman, it was announced that Histon had sacked Fallon citing "irreconcilable differences".
In October 2016 he became Director of Football, with Lance Key replacing him as manager.