Subpar o-line has some to do with it, but Alexander does not run as hard as he did 2 years ago. I think alot of it too is due to his age, what is he 30 now a running back endures alot of punishment by the time they reach that age in the nfl and it is starting take a toll on him, how many game has he missed the last 2 seasons because of injuries? The line has opened up hole in the previous games it has just taken Mo & Weaver to put a shoulder down and run through them!