Rory McIlroy is just four strokes behind the third-round leader Brooks Koepka at the 2023 PGA Championship. The Northern Irish golfer can win the PGA Championship if he improves his game in the final round on Sunday, May 21. However, experts believe that Brooks Koepka and Viktor Hovland have the best chance to win the major event.According to the odds provided by BetMGM Sportsbook, Brooks Koepka topped the odds tally for the final round of the PGA Championship with +120 points. Koepka has won four major championships and finished second at the first major of the year last month. View this post on Instagram Instagram PostRory McIlroy, on the other hand, missed the cut at the Masters. He is also struggling with a mysterious illness. The golfer confessed in his interview ahead of the PGA Championship that he has had health issues. Rory said:"I’m fighting something. I thought I got a great night’s sleep last night and I looked at my Whoop (personal fitness watch) and I was 22% recovery, and my skin temperature was 3.5 degrees higher than what it’s been. But I actually feel better today than I felt yesterday, so plenty of water and a bit of rest, I’ll be fine.”Rory McIlroy's odds points for the last round are +2000. Experts believe he can finish in the top 5.2023 PGA Championship odds for the final round Here are the odds of 2023 PGA Championship final round as per DraftKings Sportsbook:Brooks KoepkaWinning: +115Top 5: −1400Top 10: −10000Viktor HovlandWinning: +330Top 5: −500Top 10: −2500Corey ConnersWinning: +500Top 5: −300Top 10: −1800Scottie SchefflerWinning: +850Top 5: −190Top 10: −1200Bryson DeChambeauWinning: +1200Top 5: −140Top 10: −650Rory McIlroyWinning: +2200Top 5: +120Top 10: −350Justin RoseWinning: +2500Top 5: +140Top 10: −350Tommy FleetwoodWinning: +30000Top 5: +900Top 10: +165Shane LowryWinning: +30000Top 5: +900Top 10: +170Justin SuhWinning: +30000Top 5: +900Top 10: +150Min Woo LeeWinning: +40000Top 5: +1200Top 10: +220Stephan JaegerWinning: +50000Top 5: +1600Top 10: +260Victor PerezWinning: +50000Top 5: +1800Top 10: +280Michael BlockWinning: +60000Top 5: +2000Top 10: +320Eric ColeWinning: +60000Top 5: +1800Top 10:+300Patrick ReedWinning: +80000Top 5: +2200Top 10: +330Patrick CantlayWinning: +80000Top 5: +2000Top 10: +330Kurt KitayamaWinning: +100000Top 5: +3500Top 10: +500Ryan FoxWinning: +100000Top 5: +3000Top 10: +450Cam DavisWinning: +100000Top 5: +3500Top 10: +450Hideki MatsuyamaWinning: +150000Top 5: +4500Top 10: +500Adam SvenssonWinning: +250000Top 5: +9000Top 10:+900Tyrrell HattonWinning: +250000Top 5: +10000Top 10: +1000Cameron SmithWinning: +250000Top 5: +7500Top 10: +850Keith MitchellWinning: +250000Top 5: +7500Top 10: +800Taylor PendrithWinning: +250000Top 5: +10000Top 10: +1200Sahith TheegalaWinning: +250000Top 5: +5500Top 10: +700K.H. LeeWinning: +500000Top 5: +50000Top 10: +13000Mito PereiraWinning: +500000Top 5: +40000Top 10: +3500Beau HosslerWinning: +500000Top 5: +40000Top 10: +5500Jon RahmWinning: +500000Top 5: +25000Top 10: +1800Keegan BradleyWinning: +500000Top 5: +15000Top 10: +1400Jordan SpiethWinning: +500000Top 5: +40000Top 10: +4500Xander SchauffeleWinning: +500000Top 5: +15000Top 10: +1400Hayden BuckleyWinning: +500000Top 5: +30000Top 10: +2200Adam ScottWinning: +500000Top 5: +50000Top 10: +7000Dustin JohnsonWinning: +500000Top 5: +18000Top 10: +1600Adam HadwinWinning: +500000Top 5: +50000Top 10: +13000Tom HogeWinning: +500000Top 5: +50000Top 10: +11000