'Joe Cool' carrying frustration everywhere with him these days

OWINGS MILLS, Md. -- Judging by Joe Flacco's demeanor, this season has worn on him unlike any other. Lauded over the years for being calm under the toughest of circumstances, Flacco has increasingly shown his agitation over the Baltimore Ravens' 1-6 start and the shortcomings of the offense.

He is frustrated by the lack of explosiveness. He is frustrated by the penalties. He is frustrated by the confusion in that final drive in Arizona.

And the quarterback who has been known as "Joe Cool" is carrying that frustration everywhere with him these days.

"You go home and you think about it," Flacco said. "You think about it in the locker room, on the plane, on the bus, when you’re at home. It’s just…