Complex sentence: July of 2010 saw a sell out audience attend GPW: "X", the official 10th year anniversary of the promotion in a show that featured a Past, Present, Future 15 Man Battle Royal.
Split into simpler sentences: July of 2010 brought a sell out audience to attend GPW: "X", the official 10th year anniversary. The show featured a Past, Present, Future 15 Man Battle Royal.