Arkansas currently has eight players on the roster for next season’s team in Fayetteville. With that foundation set, John Calipari thinks he can get specific about what the Razorbacks still need with their next additions. Calipari spoke about the latest regarding the construction of his ‘Hogs with the media while at the SEC Spring Meetings in Destin. For their next potential pickup, he noted that they’re looking for someone who can play a necessary role, regardless of what that could yet be, in their lineup “Ninth? It depends on who it is,” said Calipari on Wednesday. “That’s what we’ll look f…