When the 1998–99 season kicked off, Swindon failed to win their first five games, scoring just three goals and the calls for McMahon's sacking began to be heard. Chairman Rikki Hunt and McMahon seemed united – McMahon saying he wouldn't resign, Hunt saying he wouldn't sack him. Two consecutive derby wins, against Bristol City and Oxford, only strengthened their position. This was followed by a 5–2 defeat at Portsmouth – and when Watford then won 4–1 at the County Ground, the fans held an on-pitch protest, sitting in the centre circle at the end of the match, demonstrating that both McMahon and Hunt should resign. McMahon left the club "by mutual consent".Jimmy Quinn was appointed as McMahon's replacement and managed to keep Swindon in the division with the club finishing the season in 17th place.

NB In the Football League goals scored (F) takes precedence over goal difference

Swindon Town's score comes first

Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

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