![Minnesota Vikings running back Arian Peterson (28) celebrated after a touchdown in third quarter. Minnesota beat Pittsburgh by a final score of 34-27. ] CARLOS GONZALEZ cgonzalez@startribune.com September 29, 2013, London, England (Minnesota Vikings in London) Wembley Stadium, NFL, Minnesota Vikings vs. Pittsburg Steelers](https://arc.stimg.co/startribunemedia/7JTMWFS5D7DXZ4ITB33GYMNKH4.jpg?&w=1080)
OFFENSE Souhan's grade: A
Cassel not perfect, but got ball downfield, creating balance. AD was AD.
DEFENSE Souhan's grade: C
Robinson was overmatched but pass rush and big plays turned the game.
SPECIAL TEAMS Souhan's grade: B
Blair Walsh hit a 54-yarder off grass; Sherels had long return called back.
COACHING Souhan's grade: B
Put Cassel in position to succeed. "F" if Frazier goes back to Ponder, though.
