In Zach Mettenberger, the Titans have a “savage” new “gunslinger”

The Titans have been bad at football, but perhaps worse, they’ve been boring. They might not be able to change both this year with Zach Mettenberger as their starting quarterback, but they’re definitely changing one of them. “When he steps on the field, he’s not really worried about being a pretty boy, white-collar thing,” Titans…