There will be plenty of eyes on Robby Snelling on Friday as the Miami Marlins' No. 2-ranked prospect gets his first big league start against the Washington Nationals. Ever since Chris Paddack was designated for assignment on Tuesday, it has felt like the Marlins were preparing for Snelling's arrival. And with good reason. The lefty made a strong impression against major league hitters this spring and has dominated so far this season at Triple-A Jacksonville. Snelling Has Earned His Big League Opportunity Miami Marlins starting pitcher Robby Snelling | Sam Navarro-Imagn Images While Snelling didn't quite crack the roster out of training camp, he turned plenty of heads. Even in allowing seven earned runs across 8.1 innings of work, the 22-year-old 13 of the 40 batters he faced (33%) and even set down All-Stars Marcus Semien, Juan Soto and Bo Bichette in a perfect inning against the New York Mets. That strikeout mastery has been on display at the minor league level this season for Snelling, as well.…