Lydia Ko, Jason Day win Grant Thornton Invitational

(Photo credit: Amanda Inscore/The News-Press USA Today Network-Florida / USA TODAY NETWORK)
Lydia Ko of New Zealand birdied the 17th hole and had a tap-in par at 18 as she partnered with Australia's Jason Day to win the inaugural Grant Thornton Invitational on Sunday at Tiburon Golf Club in Naples, Fla.

Ko and Day posted their second straight round of 6-under 66 to finish at 26-under 190 for the three-day mixed teams eve