Featured is a Ronald Acuna Jr. Signed Atlanta Braves white Nike baseball jersey in which he added the 2018 NL Roy inscription. This jersey was hand signed by Ronald Acuna Jr. And has been authenticated by JSA authentication services. Included with the jersey is a JSA hologram and certificate of authentication. This jersey would make a great addition to any sports memorabilia collection. 100% Guaranteed Authentic Autographs. Sign up for our Sports Integrity Newsletter for deals and upcoming autograph signings! Sign up to receive special insider notifications of deals and upcoming autograph signings! Signed Atlanta Braves White Nike Baseball Jersey NL Roy JSA. James Spence Authentication (JSA). Questions about this item? My about us text goes here. My authenticity guarantee text goes here.