Robert John Valentine (born May 13, 1950), nicknamed "Bobby V", is an American former professional baseball player and manager. He managed the Texas Rangers (1985–1992), the New York Mets (1996–2002), and the Boston Red Sox (2012) of MLB. Bobby Valentine has hand Signed this Texas Rangers SnapBack Vintage Cap Hat MLB, Gatorade Logo on backside. Black full on top of bill Light signature. Athlon Sports Collectibles Certificate of Authenticity. Image of actual item in stock - as shown