In articles like this, websites typically give readers a list of the best overall prospects at any given position, but the intention here is to focus on just those prospects who are most likely to provide owners with the most significant fantasy impact in the 2011 season.
Thus, a guy like Chicago White Sox prospect Dayan Viciedo—who should be beat out by fellow prospect Brent Morel—is not on my list.
Ditto for Josh Bell in Baltimore, who has been blocked by the recent acquisition of Mark Reynolds.
Here is my list of the five third base prospects who will likely have the most impact at the major league level in 2011: