The Steelers say Redman is not injured but won't dress for the game at Wembley Stadium.
Quarterback Christian Ponder is out with a rib injury for Minnesota, with Matt Cassel making his first start of the season.
Both teams are 0-3.
AP NFL website: www.pro32.ap.org
- Sports & Recreation
- American Football
- Isaac Redman
- Pittsburgh Steelers
- Minnesota Vikings