She never had to get up and down from a sand trap for par.
In July, she teamed with Minjee Lee, who was 3 at the time, at the Dow Great Lakes team event.
Her results were still strong, but not up to her usual levels.
Paired together on Sunday, they battled to a draw through 12 holes, then Ko turned on the jets, making mostly birdies the rest of the way to seize a five-shot victory.
Ko wound up with 16 top tens in 2016.
Despite only being 25 years old, South Korean professional J in Young Ko has had an incredibly fast start to her career in the women's game.