Zach Mettenberger threw a dime for a touchdown (Video) August 14, 2015 by Paul Jackiewicz 4/4. 44 yards. And this touchdown. That's just @Titans QB Zach Mettenberger cooking. #TENvsATL http://t.co/Tic1LgQpOM — NFL (@NFL) August 15, 2015 Even though rookie Marcus Mariota has been named the Titans starter, Zach Mettenberger is helping his NFL future with a throw like this.