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Defending PGA champion Jason Day is aiming for back-to-back wins at Baltusrol, something that only Tiger Woods has done in recent history.
The 29-year-old won the 2015 PGA Championship at Whistling Straits for the first major victory of his career.
Day's son, Dash, is only 4 years old, but has already become well-known in the golf circuit and may be following in his dad's footsteps. Click through the gallery to see, and learn more about Dash Day. (Getty)
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