How the Washington Nationals' minor leaguers develop down on the farm is something that fans should be paying attention to this year and beyond. President of baseball operations Paul Toboni was hired with the vision of turning this pipeline into one of the best in the sport. And based on the early returns of multiple young players, there is a good chance that could happen . What the Nationals need to develop are homegrown star pitchers. They have had one of the worst pitching staffs in the majors for years, and without a financial commitment from the ownership group to spend money on established arms, their minor leaguers have to become impact players for them. Thankfully, it sounds like Washington's executive is excited about what he's seen so far when it comes to the development under this new regime.…