Keith Horne is proving that a major championship debut is better late than never. The South African golfer, who remarkably never played in a regular major during his career, now finds himself 18 holes away from the biggest win of his life. Despite battling nerves and a swing that didn't feel quite right, Horne carded a brilliant 6-under 66 on Saturday to seize a one-shot lead at the Senior PGA Championship.

Horne's journey to this moment is a testament to perseverance. With nine wins on South Africa's Sunshine Tour but none during two decades on the Asian Tour, his career world ranking peaked at 173. Now, at the Concession Golf Club, he's outplaying a field packed with major champions like Stewart Cink and Vijay Singh.

"There’s nothing better than playing in a big golf tournament and feeling in full control of your golf swing, but you know, that’s not the case this week," Horne admitted. "It's enough to make me nervous about just standing up and swinging it at the target." His scorecard, featuring just one bogey on the opening hole, suggests he handled those nerves masterfully, reaching 11-under par for the tournament.

He holds a narrow advantage over a crowded leaderboard. Stewart Cink, the 2025 PGA Tour Champions Player of the Year, shot a 70 and sits one back alongside Steve Allan, Scott Hend, and Thailand's Thammanoon Sriroj, whose roller-coaster 66 included an eagle, a double bogey, and six birdies. "If I win, I might pass out," Sriroj joked after his adventurous round.

For Cink, a six-time winner on the senior circuit still seeking his first senior major, the strategy for Sunday is clear. "We’ll have to be aggressive," he stated. "It’s going to take a really good round tomorrow."

As for Horne, leading this prestigious event in only his third appearance is a surprise, even to him. But with one more round to play, the veteran is in prime position to author a career-defining story and finally claim that elusive major championship glory.