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- Because golf allows for long careers, many of the best golfers have been playing for a decade or more.
- Many of the world's greatest golfers turn pro as teenagers and grow up right before our eyes.
- Some golfers look entirely different now than they did when their careers began.
- Below we take a look at what guys like Phil Mickelson, Dustin Johnson, Jordan Spieth, and Jason Day looked like before they were famous.
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