Coco Gauff has delighted the tennis world, and America, with incredible spirit, great tennis, and a fascinating story to tell.  She's also signed massive endorsement deals, met with Michelle Obama, and has forced the WTA's hand with their age limits. 

Number of tournaments is one thing.

The responsibility of the tour is another.

Noah Rubin (@noahrubin33) and Mike Cation (mikectennis) discuss it and more from the US Open.  

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