Charlie Whitehurst departs after hit by Kenny Vaccaro

The Titans are going to get an extended look at Zach Mettenberger on Friday night. Mettenberger came into the game earlier than expected when No. 2 quarterback Charlie Whitehurst was knocked out of the game. Whitehurst was sacked by safety Kenny Vaccaro on his third snap of the night and headed to the sideline. Mettenberger,…