The 'Gridiron Grind' true story is perhaps centered on the lives of football players both on and off the field. On the field, it might be about the physical and mental challenges they face during a game. The pressure to perform well in front of thousands of fans, the need to execute plays perfectly under the clock's pressure. Off the field, it could be about their academic responsibilities if they are student - athletes, or how they balance their family life with their football commitments. It could also be about the camaraderie among the players, how they support each other through the tough times in the season.
I'm not sure specifically who the main characters are without more information. But it could be star players who are the focus of the story due to their outstanding performances on the gridiron.
Indeed, Gridiron Gang has its roots in true stories. It showcases the determination and transformation of a group of individuals in a challenging environment.