Houston Astros Top Prospects
| Before 2009 Season | ||
| 53 | Jason Castro | C |
| After 2009 Season | ||
| 41 | Jason Castro | C |
| 73 | Jiovanni Mier | SS |
| 91 | Jordan Lyles | RHP |
Rankings are by Baseball America,
the best source for minor league baseball news.
the best source for minor league baseball news.
| Before 2009 Season | ||
| 76 | Jason Castro | C |
| After 2009 Season | ||
| 97 | Jiovanni Mier | SS |
| 100 | Jason Castro | C |
Rankings are by BaseballProspectus.com.
Affiliates Batting
Affiliates Fielding & Misc
Organizational Batting
- Note traded players may have full-season stats showing.
Organizational Pitching
- Note traded players may have full-season stats showing.
Affiliates Pitching