Koepka Claims PGA Championship Title

Brooks Koepka secured the PGA Championship title with a final score of [insert actual score if provided, otherwise omit]. Koepka's performance [include one key stat if specified in source, for example: included a 4-under-par final round].

Aaron Rai finished the tournament outside the top 50. [Include one key stat if specified in source, for example: Rai's struggles on the greens contributed to his final score].

The PGA Championship's outcome impacts the Official World Golf Ranking and the FedEx Cup standings. [If playoff implications are mentioned, include a brief statement here. For example: Koepka's victory significantly improves his chances of qualifying for the Tour Championship].