Today on the Lucky Letcord Podcast we wonder out loud...

Has Roger Federer lost the fire in the belly?

Is Rafael Nadal's rough draw going to catch up with him when he meets Del Potro?

What does Dominic Thiem's breakout U.S. Open say about his future on hardcourts?

There's a roof over tonight's Women's semifinals? Huh?

Can Naomi Osaka stay hot and run the table in NYC?

Will Serena Williams still be winning majors when she's 46?

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