Just for the heck of seeing how successful in rating the top prospects, these were Baseball America's top 20 in 2013 and 2014. I copied these back in those 2 years fairly early so there may have been slight adjustments later in the springs.
2014
1 Byron Buxton, OF, Minnesota Twins
2 Xander Bogaerts, SS, Boston Red Sox
3 Oscar Taveras, OF, St Louis
4 Javier Baez, SS, Chicago Cubs
5 Carlos Correa, SS, Houston Astros
6 Francisco Lindor, SS, Cleveland Guardians
7 Addison Russell, SS, Oakland Athletics
8 Taijuan Walker, RHP, Seattle Mariners
9 Archie Bradley, RHP, Arizona Diamondbacks
10 Kevin Gausman, RHP, Baltimore Orioles
11 Noah Syndergaard, RHP, New York Mets
12 Yordano Ventura, RHP, Kansas City Royals
13 Lucas Giolito, RHP, Washington Nationals
14 Miguel Sano, 3B, Minnesota Twins
15 Dylan Bundy, RHP, Baltimore Orioles
16 Jonathan Gray, RHP, Colorado Rockies
17 Kris Bryant, 3B, Chicago Cubs
18 Austin Hedges, C, San Diego Padres
19 Jameson Taillon, RHP, Pittsburgh Pirates
20 George Springer, OF, Houston Astros
2013
1. Jurickson Profar, ss/2b, TEX
2. Dylan Bundy, rhp, BAL
3. Oscar Taveras, of, STL
4. Wil Myers, of/3b, TB
5. Jose Fernandez, rhp, MIA
6. Shelby Miller, rhp, STL
7. Gerrit Cole, rhp, PIT
8. Xander Bogaerts, ss, BOS
9. Miguel Sano, 3b, MIN
10. Byron Buxton, of, MIN
11. Zack Wheeler, rhp, NYM
12. Tyler Skaggs, lhp, ARI
13. Carlos Correa, ss, HOU
14. Trevor Bauer, rhp, CLE
15. Christian Yelich, of, MIA
16. Javier Baez, ss, CHC
17. Mike Zunino, c, SEA
18. Taijuan Walker, rhp, SEA
19. Jameson Taillon, rhp, PIT
20. Billy Hamilton, of/ss, CIN