The tennis champion who played everything but tennis first
Roger Federer spent his teenage years skiing, swimming, wrestling, and playing basketball. David Epstein thinks that's exactly why he became Roger Federer.
When Roger Federer was young enough to be groomed, his parents refused to groom him. They let him ski, swim, wrestle, play football and basketball. Tennis was just one more game among many, and he didn't specialize seriously until his mid-teens -- years behind peers who were already logging deliberate practice hours on the court.
The conventional wisdom said that was a handicap. The data says otherwise.
In Range, David Epstein combed through sports science to find that Federer's developmental path -- sampling widely, specializing late -- is far more common among elite athletes than Tiger Woods's famous childhood dedication to a single discipline. What the sampling period builds isn't just physical range. It builds the ability to read pattern, transfer skill, and stay curious about the game rather than grinding it into an obligation.
Federer himself endorsed this view directly. In multiple interviews, he told younger players to try basketball, skiing, whatever interests them -- until the mid-teens, he said, focusing too early risks turning a sport from a hobby into a job.
The lesson isn't that specialization is wrong. It's that the timing of specialization matters more than the specialization itself. In domains that reward pattern recognition and adaptability over pure repetitive drilling, a wide early sample tends to pay off late.