SI Insider: Takeaways from Nadal's Rare Clay Loss

Rafael Nadal's loss on clay came as a shock to most of the tennis world

In Nadal's first match since February, he lost in straight sets on clay, something he rarely does.

SI senior writer Jon Wertheim discusses main takeaways from Nadal's loss, if fans should be worried, and what we should be looking for going forward as the clay will be a different texture in the colder months.