Mohun Bagan players celebrate after winning the I-League in 2015. The I-League completes 10 years today -- the first match of the erstwhile National Football League (NFL) was played on November 24, 2007 in Margao between reigning champions Dempo and Salgaocar, with Dempo winning 3-0. ESPN's writers who have covered the league over these years pick 10 memories of matches or moments that they witnessed first-hand. Odafa's day out - Debayan Sen Jan 2008, Margao It was the first season of the I-League, and Churchill Brothers were hosting Mahindra United.