| 10/17/1998 |
Entered the Major League Baseball as an international amateur free agent from Venezuela. |
| 01/01/1999 |
OSA scouting updated ratings (potential): Contact: 20 (55); Power: 30 (50); Eye: 20 (40). |
| 01/23/1999 |
Signed a minor league contract ($305,000 bonus) out of Venezuela with the Detroit Tigers organization. |
| 04/04/1999 |
Named the #54 prospect in the MLB |
| 11/02/1999 |
Named the #46 prospect in the MLB |
| 01/01/2000 |
OSA scouting updated ratings (potential): Contact: 25 (60); Power: 30 (55); Eye: 20 (45). |
| 03/29/2000 |
Named the #60 prospect in the MLB |
| 11/03/2000 |
Named the #72 prospect in the MLB |
| 01/01/2001 |
OSA scouting updated ratings (potential): Contact: 25 (55); Power: 25 (50); Eye: 25 (45). |
| 04/01/2001 |
Named the #76 prospect in the MLB |
| 07/01/2001 |
Named the #53 prospect in the MLB |
| 01/01/2002 |
OSA scouting updated ratings (potential): Contact: 40 (55); Power: 25 (50); Eye: 20 (40). |
| 02/24/2002 |
Promoted from the international complex to D & E GCL. |
| 03/13/2002 |
Outstandingly completed training to improve his plate discipline at the Detroit Tigers development complex. |
| 03/31/2002 |
Named the #48 prospect in the MLB |
| 06/30/2002 |
Named the #33 prospect in the MLB |
| 08/06/2002 |
Injured (sprained ankle),day-to-day for 3 days. |
| 01/01/2003 |
OSA scouting updated ratings (potential): Contact: 40 (55); Power: 30 (50); Eye: 30 (45). |
| 03/01/2003 |
Outstandingly completed training to improve his plate discipline at the Detroit Tigers development complex. |
| 03/24/2003 |
Named the #30 prospect in the MLB |
| 05/31/2003 |
Injured (flu-like symptoms),day-to-day for 1 day. |
| 06/21/2003 |
Named the #23 prospect in the MLB |
| 06/27/2003 |
Goes 5-7 against the Lansing Lugnuts, with 0 RBI and 0 R. |
| 07/08/2003 |
Was selected to the 2003 Major League Baseball All-Star Futures Game. |
| 11/22/2003 |
Unsuccessfully completed training to improve his defense at second base at the Detroit Tigers development complex. |
| 01/01/2004 |
OSA scouting updated ratings (potential): Contact: 45 (55); Power: 40 (50); Eye: 40 (50). |
| 03/28/2004 |
Unsuccessfully completed training to improve his baserunning fundamentals at the Detroit Tigers development complex. |
| 04/04/2004 |
Named the #89 prospect in the MLB |
| 07/06/2004 |
Injured (mild oblique strain),day-to-day for 1 day. |
| 09/30/2004 |
Wins the 2004 EL Great Glove Award at SS. |
| 11/29/2004 |
Received a 1-year contract through automatic renewal worth a total of $276,000. |
| 01/01/2005 |
OSA scouting updated ratings (potential): Contact: 45 (55); Power: 40 (50); Eye: 40 (50). |
| 03/01/2005 |
Unsuccessfully completed training to improve his defense at second base at the Detroit Tigers development complex. |
| 10/07/2005 |
Wins the 2005 IL Great Glove Award at 2B. |
| 11/28/2005 |
Received a 1-year contract through automatic renewal worth a total of $300,000. |
| 01/01/2006 |
OSA scouting updated ratings (potential): Contact: 45 (55); Power: 40 (45); Eye: 40 (50). |
| 03/05/2006 |
Outstandingly completed training to improve his defense at second base at the Detroit Tigers development complex. |
| 06/21/2006 |
Injured (hamstring soreness),day-to-day for 2 days. |
| 11/27/2006 |
Received a 1-year contract through automatic renewal worth a total of $350,000. |
| 01/01/2007 |
OSA scouting updated ratings (potential): Contact: 45 (50); Power: 40 (45); Eye: 45 (45). |
| 11/19/2007 |
Became a free agent. |
| 12/20/2007 |
Signed a minor league contract with the Milwaukee Brewers organization. |
| 01/01/2008 |
OSA scouting updated ratings (potential): Contact: 45 (50); Power: 40 (45); Eye: 45 (45). |
| 11/14/2008 |
Signed a 1-year minor league contract extension with the Milwaukee Brewers organization. |
| 01/01/2009 |
OSA scouting updated ratings (potential): Contact: 45 (50); Power: 40 (45); Eye: 45 (45). |