As Lee found the greenside bunker and would get out to make birdie, Ko finished off her eagle putt to claim her 15th LPGA victory. This may be the beginning of her putting her winning ways back together.
Ko created history in 2015 when she became the youngest ever world number one at the age of 17.
The Royal Fremantle member had gone 35 events without a victory and while Ko walked away with the win, Lee will leave San Francisco with her head high and safe in the knowledge her return to the winner's circle isn't far away, either.
For more than a year, Lydia Ko has changed everything except her mind, swapping out coaches, caddies and clubs.
It's a huge relief because people were saying you're not winning because of this or that, and my family, friends and sponsors were just really supportive of me.
"I hit some really good 3-woods today and I said, 'Hey, you gotta maybe try to copy the one on the other par 5, '" Ko told the Gold Channel.
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Daniels' Raiders and Trubisky's Mentor Cardinals met in the OHSAA playoffs when both were in high school. "It's actually amusing . My sophomore year in high school, I'm from Warren, Ohio, he was a senior at Mentor High School.
"I was able to put my game together on the back nine and when that putt dropped, oh my gosh".
"It's disappointing that I couldn't do better on the back nine".
Lydia Ko had to wait 44 starts and one hole of overtime to go from her 14th LPGA title to her 15th, but it was worth the wait-both for Ko and those watching.
Ko, whose chip from off the green at 18 in regulation kissed the edge of the cup, tapped in for birdie to complete a one-under 71 and force the playoff as the she joined Lee in the clubhouse on 12-under par 276. "Just going into today I said, hey, no matter what happens, it's actually nice to be in that final group again and to kind of play for the trophy on a Sunday".
Ko is one over for the day and the pair are two shots clear of American Jessica Korda.
In a closing spherical the place the lead modified 4 occasions, Ko rallied during the last 9 holes - recording three birdies and a bogey - to take the championship to a playoff. "But just to have a 2 1/2 footer to possibly win is a pretty good feeling, but also nerve-wracking, too".