Complex sentence: Following years of speculations, Oklahoma City was officially granted an AHL franchise on February 10,2010, in which the team will play as the Oklahoma City Barons starting in the 2010-11 season as the top affiliate of the Edmonton Oilers.
Split into simpler sentences: Following years of speculation, Oklahoma City was officially granted an AHL franchise on February 10,2010. They began play in the 2010-11 season as the top affiliate of the Edmonton Oilers.