JUPITER, Fla. — It’s out there, nuggets of it. Some of it will glimmer under the South Florida sun. Some won’t be so conspicuous, hidden perhaps on a back field or in a batting cage. And beginning Monday, as the Cardinals’ full squad reports and practices for the first time, the club’s manager, coaches and executives will become prospectors looking at prospects and pros, trying to spot those golden nuggets of OPS.