ORLANDO — Randy Winn had not even fully gotten off the podium in a dark conference room at the Signia By Hilton Hotel when Michael Holmes ran up with a fist bump. The look on the face of the Giants’ director of amateur scouting said it all.“He’s very excited about that,” Winn said, smiling. Winn just finished his first year as the organization’s VP of player development, and on Tuesday night, he and the Giants got a huge, well, win. They moved way up in the MLB Draft lottery and will pick fourth next summer. By record, they should have had the 15th pick, and they entered the night with the 12th-best odds of picking first overall in MLB’s calculations, which punish some teams for repeatedly being in the lottery. But as other teams got named, Winn realized that something cool was happening. He couldn’t fully focus on that, though. “My phone was buzzing from former teammates of mine heckling me while I was up there,” Winn said. “I could name a few. It was actually a few of my Tampa teammates sending me text messages saying ‘don’t screw it up’ and some other very nice things....