James Nagle was disqualified Monday from the 2026 U.S. Junior Amateur after finishing an opening-round 76 on Saucon Valley Country Club’s Grace Course, a rare penalty tied to repeated use of green-reading materials on the putting green.
The case turned on Model Local Rule G-12, the USGA rule adopted at its championships in 2023 that bars competitors from using green-reading materials while putting. A first breach costs two strokes. A second offense brings disqualification, which is what officials applied after reviewing Nagle’s round.
Nagle said he was not told the green-reading maps in his yardage book were forbidden on greens, even though his playing partner warned him they were not allowed. He said he went to the nearest rules official, explained the situation and was told to finish the round while officials reviewed it.
After he shot 76, officials questioned him about how he had used the materials. Nagle said he confirmed he had used them multiple times and was asked whether he was sure it was more than once and whether it was solely for green information. He said that was what led to the disqualification.
The detail that matters is simple: the maps were not a harmless accessory once he stepped onto the putting surface. Model Local Rule G-12 still allows yardage books for other uses, but not for reading putts from the green, and that line is what turned a first-round score into a removed player in a championship that had already moved on to match play by Wednesday.
Nagle, 17, is scheduled to be a high school senior in the fall and plans to play college golf at the University of South Florida. He is ranked 331 in the Rolex AJGA rankings, and his exit came during a week when much of the attention had been on Charlie Woods, who lost in a 14-man playoff for the final two spots in match play.
What remains unanswered is the count that decided the case. Officials said there were multiple breaches, but the record does not say exactly how many times Nagle used the green-reading materials before the disqualification followed.
