It was not always plain sailing as both a coach and father, but Masaru Miyazato is happy and proud of his daughter Ai who confirmed on Monday she will finish her career at the end of the season.The former world No. 1 swung her first club under the tutelage of Masaru when she was four years old, and won a pro tournament at the age of 18 in 2003 as a high-school student -- before her either of her elder brothers and fellow professional golfers, Yusaku and Kiyoshi, had claimed any silverware."She was an unruly girl, and having a coach-player relationship while being a father and child is reall…READ FULL ARTICLE