There is no listing of a player with the last name Whitaker on the Steelers all-time roster.
The last time the Steelers played the Detroit Lions was on October 11, 2009. The Steelers won the game 28-20.
Fanaca's last season with the Steelers was 2007 ... he played 10 seasons (1998-2007) with the Steelers.
The last time the Steelers played in Oakland was on October 27, 2013. The Raiders defeated the Steelers, 21-18.
The last time the Steelers and Saints played each other was on November 30, 2014. The Saints won 35-32.