No. There is no listing of a player with the last name Adams on the 1974 Steelers roster.
There is no listing of any player with the last name of Mitchell on the Steelers all-time roster.
The last Steelers player to pass away was defensive end L.C. Greenwood (9/29/2013).
There is no player listed on the Steelers all-time roster with the last name Houston.
There is no listing of a player with the last name Whitaker on the Steelers all-time roster.
There is no Steelers player with the last name 'Sams' on the all-time roster.
There is no listing for any Steelers player with the last name Centers on their all-time roster.
The Seahawks last beat the Steelers in 2003.
November 17, 1991 was the last time the Washington Redskins defeated the Pittsburgh Steelers.
Pittsburgh Steelers
David Johnson was taken by the Pittsburgh Steelers last overall in the 2009 NFL draft.
Mike Webster was the last player to wear the number in 1989. I do not think the Steelers will be giving the number 52 out anytime soon.