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San Francisco Giants Top 20 Prospects List

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Merkin Valdez Learning About the Major Leagues

  1. Matt Cain, RHP, A-
  2. Merkin Valdez, RHP, B+
  3. Eddy Martinez-Esteve, OF, B
  4. David Aardsma, RHP, B
  5. Nate Schierholtz, 3B-OF, B
  6. Craig Whitaker, RHP, B
  7. Fred Lewis, OF, B-
  8. Alfredo Simon, RHP, B-
  9. Patrick Misch, LHP, B-
  10. John Bowker, OF, B-
  11. Marcus Sanders, 2B, B-
  12. Billy Sadler, RHP, C+
  13. Todd Linden, OF, C+
  14. Clay Timpner, OF, C+
  15. Travis Ishikawa, 1B, C
  16. Justin Knoedler, C, C
  17. Justin Hedrick, RHP, C
  18. Brian Burres, LHP, C
  19. Jonathan Sanchez, LHP, C
  20. Scott Munter, RHP, C
This system comes out better than I thought it would, although some of these grades are based on limited sample sizes and early pro performance. Possible controversies:

I like Fred Lewis, but I want to see how his bat holds up outside of the California League before pushing him higher than B-.

Scouts love Travis Ishikawa, and this is reflected in his consistently high ratings by Baseball America. He did show more power last year, but he struck out 126 times in 113 games, and his overall production has yet to live up to his hype. His career numbers: .251 average, .356 OBP, .393 SLG. His best attribute is age: he is 21 years old and still has plenty of development time ahead of him. He has the most raw talent of any of the Grade C guys, and some people think he is about to break out, but at this point I think he is overrated, as first base prospects go. He could certainly prove me wrong.

I'm not a big Brad Hennessey fan, due to his poor K/BB and K/IP ratios.