By Ralph D. RussoThe Associated Press NEW YORK Marcus Mariota, the prototypical 21st-century quarterback, took an old-fashioned approach to become Oregon's first Heisman Trophy winner.The Ducks' understated star won the Heisman on Saturday night going away, capping a three-year climb to college football's most prestigious individual award."I'm humbled to be standing here today," Mariota said, reading an acceptance...