Alex Freeman has spent most of his life being known as the son of Antonio Freeman a Super Bowl champion and Packers Hall of Famer. But with the FIFA World Cup on the horizon, he is writing his own story.On Saturday at Soldier Field, Alex took the pitch for the United States' final World Cup tune-up, with one proud dad watching from the stands."For me, it's amazing to kind of make my own path, right? But also just to be able to kind of have my ow…