By Sean Jensen sjensen@pioneerpress.com
Minnesota Vikings quarterback Matt Cassel (16) warms up before the game at Wembley Stadium in London, England, Sunday, September 29, 2013. In the background is backup quarterback McLeod Bethel-Thompson (4) (Pioneer Press: Chris Polydoroff)Despite public protests to the contrary, the Vikings appear to be in the NFL’s most unenviable […]