Rory Mcllroy autographed Arnold Palmer Bay Hill Invitational Oxford Polo shirt hand signed in black felt tip marker size large and very high quality. This signature has been authenticated by JSA James Spence authentication Certification Number: SS169154 and will come with the matching cert card you see in the scans. On March 18, 2018 he won the Arnold Palmer Invitational with a final round of 64, his first win since winning the Tour Championship and FedEx Cup in 2016. Buy with confidence we have been selling in-person autographs since 1992. Golf