By . Jeff Powell . Follow @@jeffpowell_Mail . As five-division world champion Floyd Mayweather and Marcos Maidana prepare to go head-to-head in Las Vegas, Sportsmail's boxing columnist Jeff Powell gives his verdict from the MGM Grand... Mayweather won their fight in May by unanimous decision but the former WBA welterweight champion Maidana is back at the MGM Grand to reclaim his title. 'I think we'll see Mayweather mobile and very difficult to hit. The issue is whether Floyd's legs have gone slightly.' Floyd Mayweather and Marcos Maidana prepare for their second fight of the year at the MGM Grand . Floyd Mayweather beat Marcos Maidana in May, his victory confirmed by unanimous decision .
Floyd Mayweather fights Marcos Maidana . Maidana has less support this time, fewer Argentinians have travelled . American boxer 37 now, could that be an issue .