West London derby been in the Football League for a longer period of time than Brentford and had stronger rivalries with the likes of West Ham United and Tottenham Hotspur, whereas Brentford's main rivals are Fulham and QPR. Also Brentford developed a bigger sporting rivalry with Arsenal at the time as both clubs vied for the title of London's number one club. The only bad feeling between the clubs was soon after Chelsea's foundation and admission into the Football League in 1905, the other West London clubs, including Brentford, lost many supporters and potential supporters to the only professional Football League club in
Rangers F.C. supporters and in 1998 an article in Rangers pre-match programme branded Aberdeen fans "scum". Rangers stated that they had "issued a full and unreserved apology" to Aberdeen and their supporters, and this was accepted by Aberdeen. In another incident, then Rangers captain Richard Gough accused Aberdeen of only playing when it was against Rangers. This further increased the hostility between supporters of both clubs, which has continued. Sectarian chanting by supporters has incurred criticism and sanctions upon the club. In 1999, the vice-chairman of The Rangers Football Club Plc, Donald Findlay, resigned after being filmed singing songs regarded as sectarian during