The Washington Nationals have made a significant move by acquiring 18-year-old outfielder Brown Martinez from the New York Yankees, trading Amed Rosario in the deal. While the pitcher Clayton Beeter also joins the Nationals, it is Martinez who holds the long-term promise. Martinez, a Dominican player, has showcased his impressive hitting capabilities, boasting a .404 batting average in the Dominican Summer League this season, with 13 stolen bases in just 18 games. His extraordinary stats suggest he may soon transition to a full-season league, making him a valuable asset for the future.