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
Celtic F.C. supporters Celtic F.C. supporters The supporters of Celtic F.C., a Scottish football club, were estimated in 2003 to number around nine million worldwide. Numerous fan magazines and supporters' websites are dedicated to the club, and there are in excess of 160 supporters' clubs in over 20 countries around the world. Celtic supporters have traditionally come from the Catholic population of Scotland and people of Irish background, but not exclusively. In 2003, Celtic fans received awards from FIFA and UEFA for their exemplary fair and cordial conduct after 80,000 fans had travelled to Seville for the 2003 UEFA Cup Final. In 2017,