The Grant Thornton Invitational is back this weekend. The team event is set to tee off on Friday, December 12 on Tiburon Golf Club’s Gold Course at The Ritz-Carlton in Naples, Florida. The LPGA-PGA Tour mixed event returns for the third straight year with 16 teams.The event, boasting different methods of scoring across each of its three rounds, have only three partnerships from last year returning as same. Notably, reigning champions Patty Tavatanakit and Jake Knapp also return as a team this weekend to defend their titles. However, the field is headlined by big name team ups like Nelly Korda-Denny McCarthy, Lydia Ko-Jason Day and Lexi Thompson-Wyndham Clark, among others.Despite the stacked field, the pairing of Brooke Henderson and Corey Conners have come out as the Grant Thornton Invitational 2025 power rankings toppers, according to PGA Tour. The Canadian duo returns to the contest after a T2 and a T4 finishes in the first two editions. Henderson, who won an event in August, will be looking to continue her good form running alongside Conners.The Korda-McCarthy pairing takes the second spot on the Tiburon event’s power rankings. As per PGA Tour, the Rolex Rankings No.2 golfer, who ended her 2025 season without a title, remains a favorite owing to her past appearances at the team event. For the unversed, Korda managed a T4 finish in the LPGA co-sanctioned event alongside Tony Finau in 2023. Notably, McCarthy finished T4 with Megan Khang that year.Ko has celebrated two LPGA titles at the Gold Course in 2014 and 2022. The LPGA star also won the inaugural mixed edition in 2023 of the competition with Day. However, the duo settled for T6 while attempting to defend the title last year. They sit third in the power rankings, while this year’s defending champions trail them. Knapp, who hasn’t competed since the first leg of the FedExCup Playoffs this year, will tee up alongside Tavatanakit on Friday.Megan Khang entered this year’s Grant Thornton Invitational with her third partner in three years. Having failed to leave a mark in the contest with McCarthy and Matt Kuchar, the LPGA star returns this weekend with one of the PGA Tour’s longest and straightest from tee to green hitter Kieth Mitchell. The new duo takes fifth place in the American circuit’s power rankings.Grant Thornton Invitational 2025 power rankingListed below is the full power ranking of the top-16 Grant Thornton Invitational 2025 (as per PGA Tour):Brooke Henderson - Corey ConnersNelly Korda - Denny McCarthyLydia Ko - Jason DayPatty Tavatanakit - Jake KnappMegan Khang - Keith MitchellCharley Hull - Michael BrennanAndrea Lee - Billy HorschelJennifer Kupcho - Chris GotterupLauren Coughlin - Andrew NovakMaja Stark - Neal ShipleyRose Zhang - Michael KimLexi Thompson - Wyndham ClarkLottie Woad - Luke ClantonAngel Yin - Tom HogeLilia Vu - Tony FinauJessica Korda - Bud CauleyMore details on the Grant Thornton Invitational 2025 will be updated as the event progresses.