Some of that is on the Vikings ' O - line but a lot of it is on Cassel who has this well - known tendency to lose the beat .
The Vikings ' O - line has gotten shredded a little by Kansas City 's front seven .
Some of that is on the Vikings ' O - line , which has gotten shredded a little by Kansas City 's front seven , but a lot of it is on Cassel who has this well - known tendency to lose the beat .