sentences:  Pittsburgh was the 5th city added for the 2011 AFL season, joining the San Jose SaberCats, Kansas City Command, New Orleans VooDoo and Philadelphia Soul – who were all previous members of the Arena Football League.In nine home games, the Power averaged 9,197 fans per game, a figure that included an audience of 13,904 that showed up for the season opener against the Philadelphia Soul.Overall, the Power ranked sixth among the 18 Arena Football League teams in average attendance through 17 games that season, and its average attendance was about 1,000 people more than the AFL average.