 He also oversaw the building of a new stadium, the 60,000 seater Celtic Park, which cost £40 million and at the time was Britain's largest club stadium.This allowed Celtic to progress as a club because over £20 million was being raised each year from season ticket sales.McCann had maintained that he would only be at Celtic for five years and in September 1999 he announced that his 50.3% stake in Celtic was for sale.