Weekly Prospect Update: Miami Marlins
The Miami Marlins brought in four prospects for David Phelps earlier this week and are likely not done. At 42-51, they look destined for another losing season, so their focus will remain on the farm system. Fittingly, the Marlins are the subject of this week's prospect update. Keep in mind that this list could change drastically over the next few weeks, even days, but right now here's how their top 10 prospects have been doing this season.
10. James Nelson, 3B
Nelson has turned into one of the Marlins' most exciting young…