| Date | Day | Opponent | Location | Outcome/Time |
| 02/07/2003 | Fri | # UC Santa Barbara | Malibu, Calif. | L, 4-2
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| 02/08/2003 | Sat | # Pepperdine | Malibu, Calif. | W, 2-0
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| 02/09/2003 | Sun | # Washington | Malibu, Calif. | L, 4-1
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| 02/14/2003 | Fri | $ Baylor | Houston, Texas (Minute Maid Park) | L, 14-4
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| 02/15/2003 | Sat | $ Alabama | Houston, Texas (Minute Maid Park) | W, 7-2
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| 02/16/2003 | Sun | $ Texas A&M | $ Houston, Texas (Minute Maid Park) | L, 4-2
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| 02/18/2003 | Tue | % Rice | COUGAR FIELD | L, 3-0
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| 02/22/2003 | Sat | LSU | Baton Rouge, La. | W, 7-2
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| 02/23/2003 | Sun | LSU | Baton Rouge, La. | L, 5-2
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| 02/28/2003 | Fri | Louisiana-Lafayette | COUGAR FIELD | W, 3-2
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| 03/01/2003 | Sat | Louisiana-Lafayette | COUGAR FIELD | W, 8-0
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| 03/02/2003 | Sun | Louisiana-Lafayette | COUGAR FIELD | W, 5-1
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| 03/04/2003 | Tue | % Rice | Houston, Texas (Reckling Park) | L, 4-3
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| 03/07/2003 | Fri | Northwestern State | COUGAR FIELD | L, 2-0
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| 03/08/2003 | Sat | Northwestern State | COUGAR FIELD | W, 2-1
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| 03/09/2003 | Sun | Northwestern State | COUGAR FIELD | L, 6-4
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| 03/11/2003 | Tue | Baylor | Waco, Texas | L, 15-4
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| 03/14/2003 | Fri | * East Carolina | COUGAR FIELD | L, 1-0
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| 03/15/2003 | Sat | * East Carolina | COUGAR FIELD | W, 2-1
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| 03/16/2003 | Sun | * East Carolina | COUGAR FIELD | L, 7-5
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| 03/19/2003 | Wed | % Rice | COUGAR FIELD | L, 7-6
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| 03/21/2003 | Fri | * Cincinnati | Cincinnati, Ohio | W, 13-2
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| 03/22/2003 | Sat | * Cincinnati | Cincinnati, Ohio | W, 13-6
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| 03/23/2003 | Sun | * Cincinnati | Cincinnati, Ohio | W, 16-3
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| 03/25/2003 | Tue | Sam Houston State | Huntsville, Texas | W, 7-3
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| 03/28/2003 | Fri | * TCU | Fort Worth, Texas | W, 5-2
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| 03/29/2003 | Sat | * TCU | Fort Worth, Texas | L, 5-2
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| 03/30/2003 | Sun | * TCU | Fort Worth, Texas | W, 6-5
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| 04/01/2003 | Tue | % Rice | Houston, Texas (Reckling Park) | L, 11-0
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| 04/04/2003 | Fri | * UAB | COUGAR FIELD | W, 4-3
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| 04/05/2003 | Sat | * UAB | COUGAR FIELD | W, 2-1
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| 04/06/2003 | Sun | * UAB | COUGAR FIELD | W, 3-2
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| 04/08/2003 | Tue | Southwest Texas State | COUGAR FIELD | W, 14-6
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| 04/11/2003 | Fri | * Tulane | New Orleans, La. | L, 2-1
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| 04/12/2003 | Sat | * Tulane | New Orleans, La. | L, 4-2
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| 04/13/2003 | Sun | * Tulane | New Orleans, La. | L, 5-1
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| 04/16/2003 | Wed | % Rice | COUGAR FIELD | W, 5-1
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| 04/18/2003 | Fri | * Saint Louis | COUGAR FIELD | W, 8-2
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| 04/19/2003 | Sat | * Saint Louis | COUGAR FIELD | W, 8-5
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| 04/20/2003 | Sun | * Saint Louis | COUGAR FIELD | W, 4-1
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| 04/22/2003 | Tue | Southwest Texas State | San Marcos, Texas | W, 7-3
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| 04/26/2003 | Sat | * South Florida | Tampa, Fla. | W, 5-3 (10 inn.)
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| 04/26/2003 | Sat | * South Florida | Tampa, Fla. | L, 10-7
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| 04/27/2003 | Sun | * South Florida | Tampa, Fla. | W, 12-7 (10 inn.)
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| 04/29/2003 | Tue | Texas-San Antonio | COUGAR FIELD | W, 8-6
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| 04/30/2003 | Wed | Baylor | Waco, Texas | L, 5-4 (10 inn.)
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| 05/02/2003 | Fri | * Louisville | COUGAR FIELD | W, 8-3
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| 05/03/2003 | Sat | * Louisville | COUGAR FIELD | L, 8-6
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| 05/04/2003 | Sun | * Louisville | COUGAR FIELD | W, 9-7
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| 05/09/2003 | Fri | * Memphis | Memphis, Tenn. | L, 4-1
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| 05/10/2003 | Sat | * Memphis | Memphis, Tenn. | W, 11-8
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| 05/11/2003 | Sun | * Memphis | Memphis, Tenn. | L, 9-6
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| 05/13/2003 | Tue | Texas A&M | College Station, Texas | W, 8-6
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| 05/15/2003 | Thu | * Southern Miss | COUGAR FIELD | L, 19-11
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| 05/16/2003 | Fri | * Southern Miss | COUGAR FIELD | W, 6-5
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| 05/17/2003 | Sat | * Southern Miss | COUGAR FIELD | L, 15-3
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| 05/21/2003 | Wed | East Carolina (C-USA Tournament) | New Orleans | W, 2-1
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| 05/22/2003 | Thu | Southern Miss (C-USA Tournament) | New Orleans | L, 7-2
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| 05/23/2003 | Fri | East Carolina (C-USA Tournament) | New Orleans | L, 5-0
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| 05/30/2003 | Fri | Alabama (NCAA Regional) | College Station, Texas | L, 9-3
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| 05/31/2003 | Sat | Oral Roberts (NCAA Regional) | College Station, Texas | W, 4-2
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| 05/31/2003 | Sat | Alabama (NCAA Regional) | College Station, Texas | W, 16-8
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| 06/01/2003 | Sun | Texas A&M (NCAA Regional) | College Station, Texas | W, 16-8
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| 06/01/2003 | Sun | Texas A&M (NCAA Regional) | College Station, Texas | W, 7-6 (10 inn.)
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| 06/07/2003 | Sat | Rice (NCAA Super Regional) | Houston, Texas (Reckling Park) | W, 5-2
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| 06/08/2003 | Sun | Rice (NCAA Super Regional) | Houston, Texas (Reckling Park) | L, 10-2
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| 06/09/2003 | Mon | Rice (NCAA Super Regional) | Houston, Texas (Reckling Park) | L, 5-2
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