In 2011, Buriram PEA under the coaching of Attaphol Buspakom, completed their 2011 season with the domestic Treble by three Thai major trophies. Buriram won 2011 Thai Premier League with 85 points, highest record in the league history. They beat the archrival Muangthong United in the 2011 Thai FA Cup final and clinched their first Thai FA Cup title. Following the success in two other competitions, Buriram avenged their previous year League Cup final opponent, Thai Port and snatched the 2010 Thai League Cup to their name. Buriram PEA became the first Thai club to win a Treble in a season.