By Tom Beattie Emerging starlet Nick Dunlap responded to a slow start on the PGA Tour with a memorable hole-in-one at the 197-yard seventh hole at the Cognizant Classic. The 20-year-old already wrote his name into the history books with his heroics at the The American Express as he became the first amateur since Phil Mickelson in 1991 to win on the PGA Tour. In pulling off the first feat of its kind in 33 years, this made him the youngest amateur to win on the circuit since Jordan Spieth. A second-year student at the University of Alabama at the time of his milestone success, he has since deci…