Jul. 16—Conner Robbins stood on the 14th tee box at Indian Canyon with a five-stroke lead after hitting quality shot after quality shot Sunday. After a messy double bogey and Zach Stocker dropping a 20-foot birdie putt in the group ahead, Robbins' lead was down to two on the 15th tee. Robbins' stress-free afternoon was gone, but not his poise or his smooth swing. He used two clutch shots — a …