U.S. women's national team forward Alyssa Thompson is officially a Chelsea player after completing a transfer from Angel City FC in the final hours before England's transfer deadline on Thursday.

Thompson's move from her hometown National Women's Soccer League team to the six-time defending English champions was one of the most expensive transfers in women's soccer to date. The ramifications of it, however, stretch far beyond the financial.

Is it a good move for Thompson's career? What will she bring to Chelsea? How bad is the situation for Angel City after losing Thompson? And is this really an problem for the NWSL at large?

Let's break it all down.

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