Getty Russell Wilson When the Pittsburgh Steelers signed eight-time Pro Bowl quarterback Russell Wilson last March , just four days after he was released by the Broncos following two frustrating seasons in Denver, they had to know that they were not getting the best version of the 12-year veteran. Wilson was then 35 years old and 11 seasons removed from out-dueling Peyton Manning to win his only Super Bowl , also the only championship ever won by the Seattle Seahawks. But they probably did not