İstanbulspor Kulübü is a Turkish football and sports club founded by Istanbul High School students in 1926. In 2004–05, they were relegated from the Turkish Süper Lig to the TFF First League. From Wikipedia
Following a week-long suspension due to an attack on a referee, Turkey's Super Lig resumes amidst further controversy as Istanbulspor's president withdraws team from pitch in protest.