There is contact with his calf when you slow the video down and he is now struggling with a dead calf, so it will be interesting if he makes it tomorrow.
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All that the photo does for me is to see yheir guy falling, nothing else can be deducted from it, and I am sure that the ref did not have a slow motion shot of it.
As for making it for tomorrow Matt, it depends if his name is pulled out of the drum draw machine which Cox uses for picking his match day team.
Defiatley no penalty, just wishfull thinking.