The Big Pony: A USOpen origin story. Born in 2005 as part of #PoloRalphLauren’s debut as the Official Outfitter of the #USOpen, the iconic logo was designed to stand out—and it still does, living on today through ball crew uniforms and beyond. Learn more about our partnership as the Official Outfitter of the US Open via the link in bio. #RalphLauren #RLTennis