Robby Snelling didn't immediately begin his career the way he intended, but he settled down and showcased why he's the Miami Marlins No. 2 prospect. Snelling opened the first inning against the Washington Nationals on Friday night at loanDepot Park with a three-pitch strikeout of James Wood. He then allowed two of the next three batters to reach base before Jacob Young hit a three-run blast to give the Nats a 3-0 lead. After the first inning, he settled down and pitched more like himself. Snelling allowed just two hits and walked three over his next four innings of scoreless baseball. In total, he allowed three runs on five hits, walked four, struck out two, and threw 86 pitches over five innings of work. Entering Friday, Snelling was riding high after a dominant first six starts in the minor leagues. The Marlins' second-highest lefty pitching prospect allowed a 1.86 ERA over 29 innings and recorded 44 strikeouts.…