Cheers to the Pittsburgh Steelers 90th Season! Add the perfect Steelers touch to your Christmas tree to celebrate an incredible 90 years. From the team's founding by Art Rooney, to the Super Bowl eras of Dan and Art Rooney II, the Steelers first 90-years have resulted in the most playoff wins by any NFL team and tied for the most Super Bowl wins by any NFL team. That's something worth celebrating! Made by Steelers fans for Steelers fans, give a gift that means more.