Top 20 impact prospects for 2014 

February, 11, 2014
Feb 11
9:35
AM ET
Nick CastellanosBrian D. Kersey/Getty ImagesThe path is clear for Nick Castellanos to get at-bats and improve Detroit's defense.
My top 100 prospects ranking from late January focused on long-term career value, which meant the list included many teenaged prospects who easily could be five years from producing any positive value for a major league team. If we're looking just at this upcoming season, however, the rankings are very different, and I've produced my ranking of the top 20 impact prospects for 2014.

After those 20, I've listed a number of other players who could come up this season and be above replacement-level if they get the chance.

I do not rank players with experience in a foreign major league as prospects, though those players are still officially considered rookies in MLB when they debut here.

If I included them on my rankings, Masahiro Tanaka and Jose Abreu would be 1-2 on this list;