Dallas Cowboys fans can now firmly hope for some fireworks from wide receiver George Pickens, since he has signed the franchise tag. His decision had the team waiting for over a month to hear from him. But every time fans think of another good season from the WR, they will be reminded that the $27.3 million tag will only be keeping him for this year. What comes next is still left to be seen. If Pickens is as good as he was last season, he could …