Schauffele becomes first to fail R&A driver COR test

PORTRUSH, Northern Ireland – Xander Schauffele became the first player to have his driver fail a COR (coefficient of restitution) test since the R&A began testing individual player’s drivers at last year’s Open Championship.Following a second-round 65 that left him tied for 18th place, Schauffele said that his Callaway driver was tested on Tuesday and that he spent the next two days scrambling to find a replacement.Although he said he has no issue with his driver being test