Hasn't Sam had her ankle taped when playing for quite some time now? I thought it was from around Madrid in 2012. I wonder if it's the same ankle...
Here the first time I have noticed the large tape — Stanford 2010. You can even think the pain is located on the outer part of her left ankle. The scotch onto the tape, when we can see it, is always oriented that way.
That's the second part of my micro-theory.