DENVER — She knew they’d come. The place was big, and she was small, and there was a world of noise and bodies around her and around them, but she knew they’d come. Tangie Griffin, aka Mama Griffin, had pregame field passes to watch her twin boys Shaquill and Shaquem warm up before the season opener. Shaquem’s NFL regular season debut. Fireworks and introductions were coming soon, and the Seattle Seahawks were headed to the locker room, the Griffin twins among them. But they spotted Mrs. Griffin waving her arms on the sideline and made a beeline for a pair of hugs.