He is Questionable for Week 1, results should be known on Friday. He was (is?) in line for a very heavy workload this season despite being rather small and fragile.
XTRA 910 Arizona's Mike Jurecki reports Andre Ellington underwent an MRI on his left foot Thursday.
Per Jurecki, Ellington had been "dealing with some discomfort" over the past week, and aggravated the injury in Thursday's practice. The situation has the makings of a Week 1 nightmare, but there's no point in panicking until the Cardinals reveal Ellington's MRI results. His status will be updated on Friday. Jonathan Dwyer is the next man up at running back for Arizona. Even if Ellington is ultimately cleared for Monday's opener, the situation is a reminder of his fragility.