| 07/02/1998 |
Signed a minor league contract out of Venezuela with the Chicago White Sox organization. |
| 09/01/1998 |
Injured (Sore elbow), out for 1-2 weeks. |
| 01/01/1999 |
OSA scouting updated ratings (potential): Stuff: 25 (30); Movement: 30 (35); Control: 20 (40). |
| 01/01/2000 |
OSA scouting updated ratings (potential): Stuff: 25 (30); Movement: 25 (45); Control: 20 (55). |
| 05/29/2000 |
Promoted from international complex to U20 Dominican Rookie League Chicago (DSL). |
| 01/01/2001 |
OSA scouting updated ratings (potential): Stuff: 30 (40); Movement: 30 (40); Control: 25 (60). |
| 08/12/2001 |
Injured (Shoulder inflammation), out for 6 weeks. |
| 09/04/2001 |
Wins the 2001 U20 Dominican Rookie League Dominican Series with the Chicago (DSL) White Sox! |
| 01/01/2002 |
OSA scouting updated ratings (potential): Stuff: 35 (35); Movement: 30 (45); Control: 25 (60). |
| 07/11/2002 |
Injured (Sore back), day-to-day for 2 days. |
| 01/01/2003 |
OSA scouting updated ratings (potential): Stuff: 50 (50); Movement: 30 (40); Control: 25 (45). |
| 07/17/2003 |
Injured (Sore back), day-to-day for one week. |
| 01/01/2004 |
OSA scouting updated ratings (potential): Stuff: 50 (50); Movement: 30 (35); Control: 25 (35). |
| 08/19/2004 |
Injured (Bone spur (elbow)), out for 6 weeks. |
| 10/30/2004 |
Injured (Migraine), day-to-day for 1 day. |
| 01/01/2005 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 30 (35); Control: 30 (30). |
| 06/24/2005 |
Injured (Tender shoulder), day-to-day for one week. |
| 09/19/2005 |
Signed a 0-year minor league contract extension with the Chicago White Sox organization. |
| 09/25/2005 |
Wins the 2005 A- NWL Reliever of the Year Award. |
| 01/01/2006 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 30 (35); Control: 25 (25). |
| 05/02/2006 |
Injured (Dead arm), out for 6 days. |
| 06/09/2006 |
Was selected to the 2006 Single A All-Star Game. |
| 07/09/2006 |
Injured (Sore back), day-to-day for 5 days. |
| 08/04/2006 |
Injured (Sore back), day-to-day for 1 day. |
| 09/24/2006 |
Finished 3rd in 2006 A SAL Reliever of the Year Award voting. |
| 11/27/2006 |
Became a minor league free agent. |
| 12/05/2006 |
Signed a minor league contract with the Chicago White Sox organization. |
| 01/01/2007 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 30 (35); Control: 30 (30). |
| 04/02/2007 |
Injured (Mild oblique strain), day-to-day for 2 days. |
| 08/01/2007 |
Wins the AA SL Pitcher of the Month Award. |
| 08/25/2007 |
Injured (Sore back), day-to-day for 1 day. |
| 09/24/2007 |
Signed a 1-year minor league contract extension with the Chicago White Sox organization. |
| 01/01/2008 |
OSA scouting updated ratings (potential): Stuff: 50 (50); Movement: 30 (30); Control: 25 (25). |
| 04/07/2008 |
Released by the Chicago organization. |
| 11/12/2008 |
Retired from professional baseball. |