| Game Date |
| Opponent | Conference Game | Result | Commentary |
| 1/28/2005 |
| Long Beach State |
| L 7-3 |
|
| 1/29/2005 |
| Long Beach State |
| W 8-6 |
|
| 1/30/2005 |
| Long Beach State |
| L 11-1 |
|
| 2/4/2005 |
| New Mexico State |
| W 12-0 | Bob Schaefer Memorial Tournament, Tempe, AZ |
| 2/5/2005 |
| Gonzaga |
| W 10-8 | Bob Schaefer Memorial Tournament, Tempe, AZ |
| 2/6/2005 |
| Oregon State |
| L 12-6 | Bob Schaefer Memorial Tournament, Tempe, AZ |
| 2/7/2005 |
| New Mexico State |
| W 11-10 | Bob Schaefer Memorial Tournament, Tempe, AZ |
| 2/11/2005 | vs | South Alabama |
|
| PPD to 2/12, rain (Coca-Cola Spring Training Classic, Surprise, AZ) |
| 2/12/2005 | vs | South Alabama |
| W 7-2 | makeup of 2/11 game (Coca-Cola Spring Training Classic, Surprise, AZ) |
| 2/12/2005 | vs | Oklahoma |
| W 7-5 | Coca-Cola Spring Training Classic, Surprise, AZ |
| 2/13/2005 | vs | Gonzaga |
| L 2-0 | Coca-Cola Spring Training Classic, Surprise, AZ |
| 2/15/2005 | at | Arizona |
| L 7-6 |
|
| 2/18/2005 | at | Tulane |
| L 8-2 |
|
| 2/19/2005 | at | Tulane |
| L 7-2 | Metairie, LA |
| 2/20/2005 | at | Tulane |
| L 9-3 |
|
| 2/23/2005 | at | Arizona |
| L 11-5 |
|
| 2/25/2005 |
| Baylor |
| W 5-3 |
|
| 2/26/2005 |
| Baylor |
| W 12-4 |
|
| 2/27/2005 |
| Baylor |
| L 8-7 |
|
| 3/4/2005 | vs | North Carolina |
| W 4-3 | Keith LeClair Invitational, Greenville, NC |
| 3/5/2005 | at | East Carolina |
| W 10-3 | Keith LeClair Invitational, Greenville, NC |
| 3/6/2005 | vs | Ohio State |
| W 3-0 | Keith LeClair Invitational, Greenville, NC |
| 3/11/2005 | at | Louisiana State |
| L 6-5 |
|
| 3/12/2005 | vs | Western Illinois |
| W 19-1 | Baton Rouge, LA |
| 3/13/2005 | vs | Western Illinois |
| W 30-13 | Baton Rouge, LA |
| 3/13/2005 | at | Louisiana State |
| L 20-3 |
|
| 3/18/2005 |
| Oklahoma |
| W 5-4 |
|
| 3/19/2005 |
| Oklahoma |
| W 5-1 |
|
| 3/20/2005 |
| Oklahoma |
| W 6-5 |
|
| 3/24/2005 | at | Southern California | * | L 9-8 |
|
| 3/25/2005 | at | Southern California | * | W 17-1 |
|
| 3/26/2005 | at | Southern California | * | W 2-1 |
|
| 4/1/2005 |
| Wright State |
| W 13-1 |
|
| 4/2/2005 |
| Wright State |
| W 11-3 |
|
| 4/3/2005 |
| Wright State |
| W 14-1 |
|
| 4/8/2005 | at | California | * |
| PPD to 4/9, rain |
| 4/9/2005 | at | California | * | W 11-7 | makeup of 4/8 game |
| 4/9/2005 | at | California | * | L 7-3 |
|
| 4/10/2005 | at | California | * | L 4-3 |
|
| 4/15/2005 |
| Stanford | * | W 9-2 |
|
| 4/16/2005 |
| Stanford | * | W 6-5 |
|
| 4/17/2005 |
| Stanford | * | W 10-9 |
|
| 4/22/2005 |
| UCLA | * | W 12-5 | 800th career win for Pat Murphy (ASU) |
| 4/23/2005 |
| UCLA | * | W 16-2 |
|
| 4/24/2005 |
| UCLA | * | W 10-8 |
|
| 4/29/2005 | at | Oregon State | * | L 6-5 |
|
| 4/30/2005 | at | Oregon State | * | W 3-1 |
|
| 5/1/2005 | at | Oregon State | * | L 5-1 |
|
| 5/4/2005 |
| Utah Valley State |
| L 9-6 |
|
| 5/14/2005 |
| Arizona | * | W 6-2 |
|
| 5/15/2005 |
| Arizona | * | L 16-7 |
|
| 5/16/2005 |
| Arizona | * | L 18-1 |
|
| 5/20/2005 | at | Washington | * | L 6-4 |
|
| 5/21/2005 | at | Washington | * | L 5-3 |
|
| 5/22/2005 | at | Washington | * | W 2-1 |
|
| 5/27/2005 |
| Washington State | * | W 8-2 |
|
| 5/28/2005 |
| Washington State | * | W 16-6 |
|
| 5/29/2005 |
| Washington State | * | W 7-2 |
|
| 6/3/2005 |
| East Carolina |
| W 9-6 | Tempe Regional, Game 2 |
| 6/4/2005 |
| Coastal Carolina |
| W 11-3 | Tempe Regional, Game 4 |
| 6/5/2005 |
| Coastal Carolina |
| W 9-5 | Tempe Regional, Game 6 |
| 6/10/2005 | at | Cal State Fullerton |
| L 3-2 | #6 national seed Super Regional, Game 1 |
| 6/11/2005 | at | Cal State Fullerton |
| W 6-2 | #6 national seed Super Regional, Game 2 |
| 6/12/2005 | at | Cal State Fullerton |
| W 9-8 | #6 national seed Super Regional, Game 3 |
| 6/17/2005 | vs | Nebraska |
| L 5-3 | College World Series, Game 2 |
| 6/19/2005 | vs | Tennessee |
| W 4-2 | College World Series, Game 5 |
| 6/21/2005 | vs | Nebraska |
| W 8-7 | College World Series, Game 9 (11 innings) |
| 6/22/2005 | vs | Florida |
| W 6-1 | College World Series, Game 11 |
| 6/23/2005 | vs | Florida |
| L 6-3 | College World Series, Game 13 (if necessary) |
| Game Date |
| Opponent | Conference Game | Result | Commentary |
| 2/3/2005 | vs | New Mexico State |
| W 19-0 | Bob Schaefer Memorial Tournament, Tempe, AZ |
| 2/4/2005 | vs | Gonzaga |
| L 3-1 | Bob Schaefer Memorial Tournament, Tempe, AZ |
| 2/5/2005 | vs | New Mexico State |
| W 11-2 | Bob Schaefer Memorial Tournament, Tempe, AZ |
| 2/6/2005 | at | Arizona State |
| W 12-6 | Bob Schaefer Memorial Tournament, Tempe, AZ |
| 2/11/2005 | vs | Missouri |
|
| CCD, rain (Oakland A's Tournament, Phoenix, AZ) |
| 2/12/2005 | vs | Kansas State |
|
| CCD, rain (Oakland A's Tournament, Phoenix, AZ) |
| 2/13/2005 | vs | Northwestern |
|
| CCD, rain (Oakland A's Tournament, Phoenix, AZ) |
| 2/13/2005 | vs | Missouri |
|
| CCD, rain (Oakland A's Tournament, Phoenix, AZ) |
| 2/15/2005 |
| Portland |
| W 6-4 |
|
| 2/19/2005 | vs | UC Davis |
| W 8-0 | 300th win at OSU for Pat Casey (San Diego, CA) |
| 2/20/2005 | at | San Diego |
| W 3-2 |
|
| 2/21/2005 | at | San Diego |
|
| CCD, rain |
| 2/25/2005 | at | UC Santa Barbara |
| W 4-2 |
|
| 2/26/2005 | at | UC Santa Barbara |
| W 6-4 |
|
| 2/27/2005 | at | UC Santa Barbara |
| W 5-3 |
|
| 3/4/2005 |
| UC Riverside |
| L 3-2 |
|
| 3/5/2005 |
| UC Riverside |
| W 5-2 |
|
| 3/6/2005 |
| UC Riverside |
| W 7-2 |
|
| 3/11/2005 | vs | Cal State Northridge |
| W 4-1 | Yellow Book USA Classic, Malibu, CA |
| 3/12/2005 | at | Pepperdine |
| L 9-4 | Yellow Book USA Classic, Malibu, CA |
| 3/13/2005 | vs | Winthrop |
| W 8-2 | Yellow Book USA Classic, Malibu, CA |
| 3/18/2005 |
| Cal State Sacramento |
| W 8-2 |
|
| 3/18/2005 |
| Cal State Sacramento |
| W 7-4 | moved from 3/20, impending weather |
| 3/19/2005 |
| Cal State Sacramento |
| W 9-3 |
|
| 3/22/2005 | at | Portland |
| W 7-5 |
|
| 3/24/2005 |
| Dallas Baptist |
| L 17-7 |
|
| 3/25/2005 |
| Dallas Baptist |
| W 7-2 |
|
| 3/25/2005 |
| Dallas Baptist |
| W 11-3 | moved from 3/26, impending weather |
| 3/28/2005 |
| Brigham Young |
|
| suspended to 3/29, rain (5-1 OSU in 5th) |
| 3/29/2005 |
| Brigham Young |
| W 12-5 | resumption of suspended game |
| 3/29/2005 |
| Brigham Young |
| W 11-6 |
|
| 4/1/2005 |
| California | * | W 11-1 |
|
| 4/2/2005 |
| California | * | W 5-2 |
|
| 4/3/2005 |
| California | * | W 4-2 |
|
| 4/8/2005 | at | Stanford | * |
| PPD to 4/9, rain |
| 4/9/2005 | at | Stanford | * | W 9-7 | makeup of 4/8 game |
| 4/9/2005 | at | Stanford | * | W 11-10 |
|
| 4/10/2005 | at | Stanford | * | L 4-3 |
|
| 4/12/2005 |
| Portland |
|
| PPD, rain |
| 4/15/2005 | at | Arizona | * | L 7-5 |
|
| 4/16/2005 | at | Arizona | * | W 17-1 |
|
| 4/17/2005 | at | Arizona | * | L 7-6 |
|
| 4/22/2005 |
| Washington State | * | W 5-4 |
|
| 4/23/2005 |
| Washington State | * |
| PPD to 4/24, rain |
| 4/24/2005 |
| Washington State | * | W 8-1 |
|
| 4/24/2005 |
| Washington State | * | W 7-6 | makeup of 4/23 game |
| 4/29/2005 |
| Arizona State | * | W 6-5 |
|
| 4/30/2005 |
| Arizona State | * | L 3-1 |
|
| 5/1/2005 |
| Arizona State | * | W 5-1 |
|
| 5/3/2005 |
| Portland |
| W 6-2 |
|
| 5/6/2005 | at | UCLA | * | W 3-1 |
|
| 5/7/2005 | at | UCLA | * | W 10-4 |
|
| 5/8/2005 | at | UCLA | * | W 16-3 |
|
| 5/13/2005 | at | Washington | * | W 7-0 |
|
| 5/14/2005 | at | Washington | * | W 7-4 |
|
| 5/15/2005 | at | Washington | * | W 3-1 | 10 innings |
| 5/17/2005 | at | Portland |
|
| PPD to 5/25, rain |
| 5/20/2005 |
| Southern California | * | W 5-4 |
|
| 5/21/2005 |
| Southern California | * | W 10-7 |
|
| 5/22/2005 |
| Southern California | * | L 12-2 |
|
| 5/25/2005 | at | Portland |
|
| CCD (makeup of 5/17 game) |
| 6/3/2005 |
| Ohio State |
| W 4-3 | Corvallis Regional, Game 2 |
| 6/4/2005 |
| St. John's |
| W 11-1 | Corvallis Regional, Game 4 |
| 6/5/2005 |
| St. John's |
| W 19-3 | Corvallis Regional, Game 6 |
| 6/11/2005 |
| Southern California |
| W 10-4 | #8 national seed Super Regional, Game 1 |
| 6/12/2005 |
| Southern California |
| L 9-8 | #8 national seed Super Regional, Game 2 (10 innings) |
| 6/13/2005 |
| Southern California |
| W 10-8 | #8 national seed Super Regional, Game 3 |
| 6/18/2005 | vs | Tulane |
| L 3-1 | College World Series, Game 3 |
| 6/20/2005 | vs | Baylor |
| L 4-3 | College World Series, Game 7 (10 innings) |
| Game Date |
| Opponent | Conference Game | Result | Commentary |
| 2/8/2005 |
| San Diego State |
| W 6-0 |
|
| 2/11/2005 |
| Long Beach State |
|
| PPD to 5/25, rain |
| 2/12/2005 | at | Long Beach State |
| W 4-3 |
|
| 2/13/2005 |
| Long Beach State |
| W 7-5 |
|
| 2/15/2005 |
| San Diego |
| W 7-5 |
|
| 2/18/2005 |
| Cal State Fullerton |
|
| PPD to 4/12, rain |
| 2/19/2005 | at | Cal State Fullerton |
|
| PPD to 2/20, rain |
| 2/20/2005 | at | Cal State Fullerton |
|
| suspended, rain (USC 7-2 in 8th) |
| 2/20/2005 | at | Cal State Fullerton |
|
| PPD, rain (makeup of 2/19 game) |
| 2/22/2005 | at | UC Santa Barbara |
|
| PPD to 4/13, rain |
| 2/25/2005 | at | Stanford |
| L 6-0 |
|
| 2/26/2005 | at | Stanford |
| L 4-3 |
|
| 2/27/2005 | at | Stanford |
| W 8-2 |
|
| 3/1/2005 |
| UC Riverside |
| W 21-8 |
|
| 3/4/2005 | vs | Texas A&M |
| L 3-1 | Round Rock College Classic, Round Rock, TX |
| 3/5/2005 | vs | Rice |
| L 12-1 | Round Rock College Classic, Round Rock, TX |
| 3/6/2005 | vs | Nebraska |
| W 5-4 | Round Rock College Classic, Round Rock, TX |
| 3/8/2005 | at | UC Riverside |
| L 8-3 |
|
| 3/11/2005 |
| Texas Tech |
| W 6-1 | Public Storage Classic, Los Angeles, CA |
| 3/12/2005 |
| Wichita State |
| W 6-4 | Public Storage Classic, Los Angeles, CA |
| 3/13/2005 |
| UC Irvine |
| L 8-2 | Public Storage Classic, Los Angeles, CA |
| 3/15/2005 | at | San Diego |
| W 6-1 |
|
| 3/18/2005 | vs | Nevada |
| W 6-5 | OCYSF-UC Irvine Tournament, Irvine, CA |
| 3/19/2005 | vs | Stony Brook |
| W 10-0 | OCYSF-UC Irvine Tournament, Irvine, CA |
| 3/20/2005 | at | UC Irvine |
| W 5-0 | OCYSF-UC Irvine Tournament, Irvine, CA |
| 3/22/2005 | at | Pepperdine |
|
| PPD, rain |
| 3/24/2005 |
| Arizona State | * | W 9-8 |
|
| 3/25/2005 |
| Arizona State | * | L 17-1 |
|
| 3/26/2005 |
| Arizona State | * | L 2-1 |
|
| 3/29/2005 | at | Loyola Marymount |
| W 12-4 |
|
| 4/1/2005 | at | Washington | * | W 2-1 |
|
| 4/2/2005 | at | Washington | * | W 5-1 |
|
| 4/3/2005 | at | Washington | * |
| PPD to 4/4, rain |
| 4/4/2005 | at | Washington | * | L 7-3 | makeup of 4/3 game |
| 4/5/2005 |
| Pepperdine |
| W 4-3 |
|
| 4/8/2005 |
| UCLA | * | W 11-1 |
|
| 4/9/2005 |
| UCLA | * | W 9-0 |
|
| 4/10/2005 |
| UCLA | * | W 6-0 |
|
| 4/12/2005 |
| Cal State Fullerton |
| W 4-2 | makeup of 2/18 game |
| 4/13/2005 | at | UC Santa Barbara |
| L 9-8 | makeup of 2/22 game |
| 4/19/2005 |
| UC Santa Barbara |
| W 8-2 |
|
| 4/20/2005 | at | Cal State Fullerton |
| W 11-2 | resumption of suspended game (2/20) |
| 4/20/2005 | at | Cal State Fullerton |
| L 5-3 | makeup of 2/20 game |
| 4/22/2005 | at | California | * | W 7-4 |
|
| 4/23/2005 | at | California | * | W 5-4 |
|
| 4/24/2005 | at | California | * | L 9-0 |
|
| 4/26/2005 |
| Loyola Marymount |
| L 5-3 |
|
| 4/29/2005 | at | Arizona | * | W 13-0 |
|
| 4/30/2005 | at | Arizona | * | L 7-2 |
|
| 5/1/2005 | at | Arizona | * | L 18-4 |
|
| 5/7/2005 |
| Cal State Northridge |
| W 9-2 |
|
| 5/10/2005 | at | San Diego State |
| W 10-6 |
|
| 5/13/2005 |
| Washington State | * | W 9-1 |
|
| 5/14/2005 |
| Washington State | * | W 15-3 |
|
| 5/15/2005 |
| Washington State | * | W 7-2 |
|
| 5/17/2005 | at | Notre Dame |
| L 13-6 |
|
| 5/18/2005 | at | Notre Dame |
| W 9-3 |
|
| 5/20/2005 | at | Oregon State | * | L 5-4 |
|
| 5/21/2005 | at | Oregon State | * | L 10-7 |
|
| 5/22/2005 | at | Oregon State | * | W 12-2 |
|
| 5/25/2005 |
| Long Beach State |
| W 5-4 | 11 innings (makeup of 2/11 game) |
| 5/27/2005 |
| Stanford | * | W 5-2 |
|
| 5/28/2005 |
| Stanford | * | L 14-3 |
|
| 5/29/2005 |
| Stanford | * | W 4-2 |
|
| 6/3/2005 | vs | Pepperdine |
| W 7-3 | Long Beach Regional, Game 1 |
| 6/4/2005 | at | Long Beach State |
| W 6-4 | Long Beach Regional, Game 4 |
| 6/5/2005 | vs | Pepperdine |
| L 9-2 | Long Beach Regional, Game 6 |
| 6/6/2005 | vs | Pepperdine |
| W 5-2 | Long Beach Regional, Game 7 |
| 6/11/2005 | at | Oregon State |
| L 10-4 | #8 national seed Super Regional, Game 1 |
| 6/12/2005 | at | Oregon State |
| W 9-8 | #8 national seed Super Regional, Game 2 (10 innings) |
| 6/13/2005 | at | Oregon State |
| L 10-8 | #8 national seed Super Regional, Game 3 |