June 2026 Golf Injury Report: Morikawa Contends Through Pain as Day, Thompson, and Koepka Face Setbacks

The modern professional golf swing is a violent, highly torqued athletic movement, and the June 2026 injury report is a stark testament to its physical toll. As the major championship season reaches its peak, both the PGA Tour and the LPGA Tour are seeing a wave of high-profile injuries that threaten to reshape the leaderboards. Yet, rather than a simple list of casualties, this month's medical updates highlight the extraordinary resilience required to compete at the highest level. Players are increasingly forced to balance the pursuit of historic titles against the long-term health of their bodies, making every swing a calculated risk.[1]

The prime example of this grit is currently unfolding at Shinnecock Hills during the 126th U.S. Open. Collin Morikawa arrived in New York actively managing a lingering back injury that first derailed his season at The Players Championship in March. The two-time major champion has been forced to play conservatively, admitting to the media that he cannot swing at full speed for fear of re-aggravating the delicate lumbar issue. Despite these severe limitations, Morikawa has refused to withdraw, instead relying on his elite course management and mental toughness to navigate one of the most punishing layouts in championship golf.[1]

"It's still a little uncomfortable," Morikawa confessed to reporters after his round. "I can't hit every shot that I want to hit. Usually, my go-to shot with right-to-left wind with an iron would be to cut something up... I can't quite cut it as much as I want." Despite lacking his full arsenal of ball-striking weapons, Morikawa relied on a spectacular short game to fire a brilliant second-round 65. That remarkable score vaulted him directly into contention, keeping his hopes alive for capturing the third leg of the elusive career Grand Slam.[1]

Morikawa's ability to adapt his strategy and play through the pain stands in stark contrast to the heartbreak experienced by others at Shinnecock Hills. Former World No. 1 Jason Day saw his U.S. Open campaign end abruptly and painfully after just 10 holes. Day, who has battled severe and well-documented back problems for the better part of a decade, was visibly struggling to rotate through his swing. Sitting at 7-over par and clearly in physical distress, he ultimately took a cart back to the clubhouse, marking another frustrating chapter in his ongoing health saga.[3]

The Australian's withdrawal is a devastating setback in a season where he had desperately hoped to find his vintage form. Biomechanical experts and swing coaches have previously noted that Day's back spasms are often triggered by underlying rib cage alignment issues, which place immense, disproportionate strain on his surrounding musculature. Despite working extensively with specialized coaches to rebuild his swing and reduce that stress, the structural vulnerabilities remain a constant threat to his career longevity, proving just how difficult it is to outrun chronic golf injuries.[8]

Just days before the U.S. Open began, the golf world was stunned by a bizarre and concerning medical update from Brooks Koepka. Competing at the RBC Canadian Open at TPC Toronto, the five-time major champion unexpectedly withdrew prior to the final round while sitting comfortably at 6-under par and in the mix for a high finish. Unlike a standard muscle strain or joint sprain, Koepka's issue presented as a sudden neurological symptom that left both the player and his medical team searching for immediate answers.[2]

Koepka's issue was not a traditional golf injury, but rather a sudden loss of sensation. "I'm struggling to grip the club with my ring finger and pinkie finger," Koepka explained to the press. "My fingers would come loose, it was kind of numb." The unexplained numbness cast a heavy, ominous shadow over his highly anticipated return to Shinnecock Hills, the exact site of his gritty 2018 U.S. Open triumph, and raised serious questions about his immediate competitive future.[2]

The injury bug has been equally disruptive on the LPGA Tour, claiming one of the sport's biggest names during a premier summer event. At the $3.25 million Meijer LPGA Classic in Michigan, fan-favorite Lexi Thompson was forced to withdraw just before her opening round. Thompson, the celebrated 2015 champion of the event, cited severe hip pain that made it mechanically impossible to compete at the level required to challenge the world's best players. The sudden exit disappointed thousands of local fans who had gathered specifically to watch the American star navigate the Blythefield Country Club layout.[4]

In an emotional public statement, Thompson expressed her profound heartbreak over missing her absolute favorite stop on the calendar. "Unfortunately, the pain in my hip reached a point where I knew I wasn't able to compete," she wrote, noting that she would return home to focus entirely on healing and rehabilitation. The withdrawal adds to a physically taxing multi-year stretch for Thompson, who has previously played through severe back inflammation, sudden neck problems, and the systemic fatigue associated with Hashimoto's disease.[4][6]

However, the women's game also provides one of the year's most inspiring and gritty medical comebacks. England's Charley Hull has spent the better part of a year battling a torn ankle ligament—suffered after accidentally tripping on a curb in a parking lot—and a separate, debilitating back injury. Rather than taking an extended leave of absence, Hull has worked tirelessly with physical therapists to manage the pain, taping the ankle heavily and adjusting her practice routines to minimize unnecessary stress on her joints.[5]

Despite the lingering annoyance of her ankle, which still strictly prevents her from running or engaging in high-impact cardio, Hull has flatly refused to let the injuries derail her athletic prime. She opened the 2026 season with a massive, statement-making victory at the PIF Saudi Ladies International. That win, coupled with a string of top-10 finishes, propelled her to World No. 3—the highest global ranking ever achieved by an Englishwoman in the history of the sport.[5]

"I feel good. It's just annoying because I can't really get back to running or anything like that," Hull remarked ahead of the Kroger Queen City Championship. Her ability to compartmentalize the pain, trust her modified swing, and consistently produce the best golf of her life is a masterclass in athletic endurance. It serves as a powerful reminder that in professional golf, perfect health is a luxury, and champions are often those who simply manage their physical imperfections better than the rest of the field.[5]

That exact brand of endurance is currently being tested by Will Zalatoris, who continues his methodical, highly scrutinized return to the PGA Tour in 2026. After undergoing a career-saving lumbar fusion surgery to address catastrophic back pain, Zalatoris is competing on a medical exemption. His slow but steady journey back to the top of the leaderboards serves as a vital beacon of hope for players like Day and Morikawa, proving that modern surgical medicine can salvage careers that were once considered entirely over.[9]

Meanwhile, the sport's most famous rehabilitating athlete, Tiger Woods, remains frustratingly on the sidelines. Still recovering from his latest back surgery and an indefinite absence following a series of off-course setbacks, Woods recently missed the entry deadline for the 2026 Open Championship at Royal Birkdale. This unfortunate development ensures that the 15-time major champion will miss all four major championships for the second consecutive year, leaving fans wondering if and when his body will ever allow for one final competitive chapter.[7]

Ultimately, this comprehensive June injury report underscores a harsh, unavoidable reality of the modern game: professional golf is a grueling, high-attrition endurance sport. The players who ultimately hoist the trophies on Sunday afternoons are not just those with the most aesthetically pleasing swings, but those who can outlast the physical toll of a relentless global schedule. As the summer progresses, the true test for these athletes will be found in the physical therapy trailers just as much as on the fairways.[1][5]