55 Wins, 60 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 01/03/87 | Lost | Prosser 49 | Toppenish 58 | League | 21.155 |
| 01/10/87 | Lost | Prosser 35 | Ellensburg 37 | League | 8.532 |
| 01/24/87 | Won | Prosser 48 | West Valley (Yakima) 44 | League | 8.109 |
| 01/29/87 | Won | Prosser 49 | Selah 44 | League | 0.129 |
| 12/22/87 | Won | Prosser 44 | Sunnyside 32 | Non-league | 3.510 |
| 01/08/88 | Won | Prosser 36 | Grandview 34 | League | 2.371 |
| 01/15/88 | Lost | Prosser 47 | Royal 49 | League | 2.997 |
| 02/18/88 | Lost | Prosser 60 | Cle Elum-Roslyn 67 | Playoff | 2.068 |
| 02/20/88 | Lost | Prosser 37 | Connell 42 | Playoff | 1.849 |
| 12/17/88 | Won | Prosser 71 | Sunnyside 51 | Non-league | 0.112 |
| 02/25/89 | Lost | Prosser 57 | Grandview 60 | Playoff | 5.220 |
| 03/03/89 | Won | Prosser 54 | Lynden Christian 51 | Playoff | 13.972 |
| 03/04/89 | Won | Prosser 55 | Toledo 42 | Playoff | 2.445 |
| 12/16/89 | Lost | Prosser 36 | Kiona-Benton 39 | Non-league | 19.744 |
| 01/11/90 | Lost | Prosser 37 | Ellensburg 41 | League | 5.466 |
| 01/20/90 | Won | Prosser 39 | West Valley (Yakima) 36 | League | 14.291 |
| 02/10/90 | Won | Prosser 63 | West Valley (Yakima) 56 | League | 14.291 |
| 12/07/90 | Won | Prosser 55 | Ellensburg 48 | Non-league | 2.015 |
| 01/19/91 | Won | Prosser 56 | West Valley (Yakima) 43 | League | 0.347 |
| 02/14/91 | Lost | Prosser 59 | Eastmont 61 | League | 9.142 |
| 02/16/91 | Won | Prosser 52 | Sunnyside 49 | League | 12.967 |
| 01/11/92 | Lost | Prosser 48 | Eastmont 55 | League | 11.858 |
| 01/23/92 | Won | Prosser 62 | Ellensburg 56 | League | 3.687 |
| 02/11/92 | Won | Prosser 47 | Sunnyside 37 | League | 3.460 |
| 02/20/92 | Won | Prosser 52 | Ellensburg 51 | League | 3.687 |
| 02/22/92 | Won | Prosser 66 | Grandview 64 | League | 4.209 |
| 01/16/93 | Lost | Prosser 48 | Othello 51 | League | 0.156 |
| 12/11/93 | Lost | Prosser 42 | Pullman 43 | Non-league | 9.537 |
| 01/29/94 | Lost | Prosser 46 | Ephrata 52 | League | 11.245 |
| 02/03/94 | Won | Prosser 58 | West Valley (Yakima) 43 | League | 7.069 |
| 02/05/94 | Lost | Prosser 36 | Selah 37 | League | 4.141 |
| 01/19/95 | Lost | Prosser 53 | Eastmont 58 | League | 5.105 |
| 02/02/95 | Lost | Prosser 58 | West Valley (Yakima) 59 | League | 20.216 |
| 02/17/96 | Lost | Prosser 50 | Hanford 56 | League | 16.525 |
| 12/14/96 | Lost | Prosser 51 | Ferris 57 | Non-league | 5.538 |
| 02/21/97 | Lost | Prosser 33 | Sunnyside 61 | League | 14.683 |
| 02/27/97 | Lost | Prosser 48 | West Valley (Yakima) 62 | Playoff | 8.675 |
| 03/15/97 | Lost | Prosser 44 | West Valley (Spokane) 61 | Playoff | 6.612 |
| 12/16/97 | Won | Prosser 63 | Connell 51 | Non-league | 6.677 |
| 01/27/98 | Lost | Prosser 47 | Hanford 59 | League | 1.348 |
| 01/29/98 | Lost | Prosser 35 | Selah 50 | League | 4.231 |
| 02/07/98 | Won | Prosser 79 | Sunnyside 73 | League | 4.524 |
| 02/12/98 | Lost | Prosser 61 | Moses Lake 62 | League | 10.493 |
| 01/08/99 | Won | Prosser 61 | Hanford 58 | League | 2.455 |
| 01/09/99 | Won | Prosser 65 | Selah 63 | League | 5.470 |
| 02/06/99 | Won | Prosser 56 | Ellensburg 52 | League | 3.348 |
| 02/19/99 | Lost | Prosser 46 | Moses Lake 56 | League | 2.733 |
| 12/14/99 | Won | Prosser 43 | Grandview 41 | Non-league | 6.771 |
| 01/22/00 | Won | Prosser 46 | Hanford 45 | League | 15.062 |
| 12/28/00 | Won | Prosser 42 | Connell 25 | Non-league | 9.271 |
| 01/20/01 | Won | Prosser 53 | Hanford 47 | League | 10.252 |
| 02/02/01 | Won | Prosser 56 | Eastmont 50 | League | 18.175 |
| 02/13/01 | Won | Prosser 49 | Hanford 48 | Playoff | 10.252 |
| 12/04/01 | Lost | Prosser 62 | Quincy 70 | Non-league | 2.748 |
| 12/07/01 | Won | Prosser 52 | Kiona-Benton 38 | Non-league | 3.611 |
| 01/26/02 | Won | Prosser 57 | Ellensburg 54 | League | 4.999 |
| 02/01/02 | Lost | Prosser 45 | Hanford 58 | League | 6.744 |
| 01/24/03 | Lost | Prosser 40 | Sunnyside 53 | League | 6.890 |
| 02/07/03 | Lost | Prosser 53 | Hanford 60 | League | 6.823 |
| 02/14/03 | Won | Prosser 51 | West Valley (Yakima) 50 | League | 8.659 |
| 02/22/03 | Lost | Prosser 58 | Hanford 60 | Playoff | 6.823 |
| 01/20/04 | Lost | Prosser 39 | Grandview 50 | League | 1.462 |
| 01/27/04 | Lost | Prosser 40 | Hanford 48 | League | 1.934 |
| 02/14/04 | Lost | Prosser 48 | Sunnyside 50 | League | 9.884 |
| 01/07/05 | Lost | Prosser 41 | Hanford 47 | League | 7.919 |
| 01/14/05 | Lost | Prosser 49 | Connell 54 | Non-league | 2.188 |
| 02/18/05 | Lost | Prosser 53 | Ellensburg 59 | Playoff | 6.435 |
| 02/25/05 | Lost | Prosser 41 | Clarkston 47 | Playoff | 7.393 |
| 01/20/06 | Won | Prosser 56 | Ellensburg 41 | League | 12.206 |
| 02/24/06 | Won | Prosser 61 | West Valley (Yakima) 49 | Playoff | 9.850 |
| 12/15/06 | Lost | Prosser 42 | East Valley (Yakima) 56 | League | 0.022 |
| 12/19/06 | Won | Prosser 54 | Connell 45 | Non-league | 1.306 |
| 01/06/07 | Lost | Prosser 55 | Othello 75 | League | 2.364 |
| 02/13/07 | Won | Prosser 67 | Ellensburg 57 | League | 5.460 |
| 03/03/07 | Lost | Prosser 47 | East Valley (Yakima) 51 | Playoff | 0.022 |
| 03/10/07 | Lost | Prosser 42 | Sehome 51 | Playoff | 3.593 |
| 01/05/08 | Lost | Prosser 59 | Othello 64 | League | 1.030 |
| 01/25/08 | Won | Prosser 52 | East Valley (Yakima) 46 | League | 1.640 |
| 01/26/08 | Lost | Prosser 61 | Wapato 67 | League | 13.796 |
| 02/08/08 | Lost | Prosser 75 | Othello 79 | League | 1.030 |
| 02/12/08 | Won | Prosser 52 | Ellensburg 49 | League | 7.565 |
| 03/06/08 | Won | Prosser 47 | Pullman 42 | Playoff | 2.610 |
| 12/09/08 | Won | Prosser 52 | West Valley (Yakima) 47 | Non-league | 0.710 |
| 01/03/09 | Won | Prosser 68 | Ellensburg 59 | League | 3.037 |
| 02/06/09 | Won | Prosser 59 | Ellensburg 53 | League | 3.037 |
| 02/20/09 | Lost | Prosser 53 | East Valley (Yakima) 59 | League | 3.172 |
| 02/28/09 | Won | Prosser 47 | Ellensburg 44 | Playoff | 3.037 |
| 03/12/09 | Won | Prosser 61 | Elma 56 | Playoff | 0.997 |
| 03/14/09 | Lost | Prosser 49 | West Valley (Spokane) 63 | Playoff | 3.117 |
| 12/08/09 | Lost | Prosser 51 | West Valley (Yakima) 53 | Non-league | 6.732 |
| 12/22/09 | Lost | Prosser 50 | Ellensburg 58 | League | 2.650 |
| 01/22/10 | Lost | Prosser 41 | East Valley (Yakima) 49 | League | 2.314 |
| 03/12/10 | Won | Prosser 55 | West Valley (Spokane) 41 | Playoff | 1.609 |
| 12/13/11 | Won | Prosser 43 | Ellensburg 42 | League | 0.556 |
| 12/17/11 | Won | Prosser 51 | Ephrata 45 | League | 5.580 |
| 12/20/11 | Lost | Prosser 49 | Selah 57 | League | 0.743 |
| 01/14/12 | Lost | Prosser 38 | Toppenish 49 | League | 3.062 |
| 01/21/12 | Won | Prosser 42 | Ellensburg 38 | League | 0.556 |
| 11/30/12 | Lost | Prosser 51 | Kiona-Benton 58 | Non-league | 1.498 |
| 12/07/12 | Won | Prosser 52 | East Valley (Yakima) 31 | League | 4.930 |
| 01/25/14 | Won | Prosser 45 | Ephrata 41 | League | 18.198 |
| 02/08/14 | Lost | Prosser 54 | Othello 61 | League | 16.273 |
| 12/20/14 | Won | Prosser 60 | Wapato 58 | League | 10.414 |
| 12/30/14 | Lost | Prosser 48 | Columbia (Burbank) 49 | Non-league | 0.944 |
| 12/30/15 | Won | Prosser 57 | Ephrata 52 | League | 12.493 |
| 01/05/16 | Won | Prosser 51 | Grandview 43 | League | 3.001 |
| 12/02/17 | Won | Prosser 44 | East Valley (Yakima) 34 | League | 3.460 |
| 01/26/18 | Lost | Prosser 46 | Selah 57 | League | 5.492 |
| 12/01/18 | Won | Prosser 57 | Wapato 53 | League | 2.404 |
| 01/11/19 | Won | Prosser 57 | Ellensburg 54 | League | 0.448 |
| 01/29/19 | Lost | Prosser 49 | Grandview 51 | League | 4.432 |
| 12/07/19 | Lost | Prosser 46 | Wapato 50 | League | 7.558 |
| 12/28/19 | Lost | Prosser 47 | Deer Park 54 | Non-league | 5.094 |
| 02/01/20 | Lost | Prosser 63 | Selah 66 | League | 6.639 |
| 02/07/20 | Lost | Prosser 53 | Grandview 61 | League | 5.832 |
41 Wins, 43 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 12/10/02 | Won | Prosser 45 | Kiona-Benton 42 | Non-league | 5.871 |
| 12/28/02 | Won | Prosser 54 | Ephrata 31 | Non-league | 2.820 |
| 12/30/02 | Lost | Prosser 54 | Connell 68 | Non-league | 2.361 |
| 01/17/03 | Lost | Prosser 61 | Wapato 67 | League | 6.354 |
| 02/15/03 | Won | Prosser 69 | Sunnyside 53 | League | 1.772 |
| 02/07/04 | Won | Prosser 40 | Wapato 37 | League | 3.883 |
| 02/14/04 | Won | Prosser 71 | Sunnyside 62 | League | 7.598 |
| 12/30/04 | Won | Prosser 47 | White Swan 45 | Non-league | 2.772 |
| 02/08/05 | Won | Prosser 69 | Wapato 66 | League | 6.260 |
| 12/12/05 | Won | Prosser 58 | Grandview 53 | Non-league | 6.857 |
| 01/03/06 | Won | Prosser 58 | West Valley (Yakima) 46 | League | 0.872 |
| 01/06/06 | Won | Prosser 52 | Hanford 48 | League | 11.645 |
| 01/10/06 | Lost | Prosser 72 | Sunnyside 81 | League | 9.424 |
| 02/03/06 | Lost | Prosser 80 | Sunnyside 82 | League | 9.424 |
| 12/15/06 | Lost | Prosser 54 | East Valley (Yakima) 73 | League | 3.979 |
| 12/16/06 | Lost | Prosser 58 | Wapato 68 | League | 0.874 |
| 01/05/07 | Lost | Prosser 55 | Ephrata 58 | League | 3.831 |
| 01/12/07 | Won | Prosser 65 | Grandview 61 | League | 1.016 |
| 01/13/07 | Lost | Prosser 56 | Ellensburg 60 | League | 9.284 |
| 02/10/07 | Won | Prosser 67 | Grandview 58 | League | 1.016 |
| 02/22/07 | Lost | Prosser 57 | Ellensburg 60 | Playoff | 9.284 |
| 03/02/07 | Lost | Prosser 91 | Wapato 93 | Playoff | 0.874 |
| 12/18/07 | Lost | Prosser 56 | Connell 62 | Non-league | 8.813 |
| 12/28/07 | Lost | Prosser 47 | Southridge 63 | Non-league | 7.160 |
| 01/04/08 | Won | Prosser 75 | Ephrata 60 | League | 10.089 |
| 01/15/08 | Won | Prosser 59 | Ellensburg 55 | League | 1.042 |
| 02/12/08 | Won | Prosser 55 | Ellensburg 53 | League | 1.042 |
| 02/22/08 | Won | Prosser 54 | Ellensburg 33 | Playoff | 1.042 |
| 03/05/08 | Lost | Prosser 46 | Cheney 54 | Playoff | 1.219 |
| 03/06/08 | Lost | Prosser 70 | R.A. Long 79 | Playoff | 6.496 |
| 12/15/08 | Won | Prosser 68 | Othello 64 | League | 2.072 |
| 12/19/08 | Won | Prosser 48 | Quincy 43 | League | 5.922 |
| 12/20/08 | Lost | Prosser 51 | Ephrata 59 | League | 1.274 |
| 01/03/09 | Won | Prosser 53 | Ellensburg 46 | League | 4.111 |
| 02/07/09 | Won | Prosser 68 | Selah 61 | League | 4.519 |
| 02/14/09 | Won | Prosser 62 | Toppenish 51 | League | 1.039 |
| 02/17/09 | Won | Prosser 66 | Grandview 43 | League | 3.726 |
| 12/11/09 | Lost | Prosser 46 | Othello 64 | League | 2.812 |
| 01/22/10 | Lost | Prosser 52 | East Valley (Yakima) 61 | League | 2.191 |
| 12/30/10 | Won | Prosser 50 | Quincy 45 | League | 3.022 |
| 01/08/11 | Won | Prosser 58 | Toppenish 52 | League | 4.938 |
| 01/29/11 | Lost | Prosser 55 | Othello 66 | League | 0.600 |
| 12/09/11 | Won | Prosser 67 | Wapato 56 | League | 9.841 |
| 12/19/11 | Lost | Prosser 44 | Kiona-Benton 47 | Non-league | 7.354 |
| 12/10/12 | Lost | Prosser 64 | Kiona-Benton 74 | Non-league | 8.618 |
| 01/12/13 | Lost | Prosser 51 | East Valley (Yakima) 62 | League | 5.096 |
| 01/19/13 | Lost | Prosser 56 | Ephrata 58 | League | 2.616 |
| 01/26/13 | Won | Prosser 69 | Ellensburg 66 | League | 9.112 |
| 02/01/13 | Lost | Prosser 55 | Toppenish 58 | League | 10.106 |
| 02/09/13 | Lost | Prosser 46 | East Valley (Yakima) 56 | Playoff | 5.096 |
| 12/18/13 | Lost | Prosser 54 | Kiona-Benton 58 | Non-league | 8.655 |
| 01/07/14 | Lost | Prosser 51 | Toppenish 52 | League | 8.324 |
| 01/18/14 | Won | Prosser 50 | East Valley (Yakima) 48 | League | 15.111 |
| 02/01/14 | Won | Prosser 71 | Ellensburg 66 | League | 6.424 |
| 01/06/15 | Won | Prosser 73 | Ephrata 62 | League | 3.276 |
| 01/23/15 | Won | Prosser 67 | Ellensburg 63 | League | 5.113 |
| 02/06/15 | Won | Prosser 56 | Ephrata 37 | League | 3.276 |
| 02/19/15 | Won | Prosser 69 | Ephrata 65 | Playoff | 3.276 |
| 12/12/15 | Lost | Prosser 41 | Ellensburg 49 | League | 0.196 |
| 12/30/15 | Lost | Prosser 51 | Ephrata 52 | League | 7.125 |
| 01/09/16 | Lost | Prosser 50 | East Valley (Yakima) 53 | League | 6.371 |
| 01/23/16 | Won | Prosser 74 | Wapato 67 | League | 3.249 |
| 01/30/16 | Lost | Prosser 57 | Ephrata 60 | League | 7.125 |
| 02/09/16 | Lost | Prosser 68 | Toppenish 69 | Playoff | 4.828 |
| 12/10/16 | Lost | Prosser 64 | Grandview 69 | League | 6.804 |
| 01/20/17 | Lost | Prosser 55 | Toppenish 56 | League | 0.929 |
| 01/31/17 | Lost | Prosser 46 | Ellensburg 55 | League | 6.975 |
| 02/01/17 | Lost | Prosser 46 | Grandview 67 | League | 6.804 |
| 02/18/17 | Won | Prosser 48 | Clarkston 41 | Playoff | 15.742 |
| 03/01/17 | Won | Prosser 50 | Wapato 38 | Playoff | 0.025 |
| 12/01/17 | Lost | Prosser 51 | Granger 56 | Non-league | 11.950 |
| 01/20/18 | Won | Prosser 65 | Ephrata 54 | League | 2.150 |
| 01/30/18 | Won | Prosser 57 | Ellensburg 52 | League | 5.455 |
| 12/07/18 | Won | Prosser 76 | Ellensburg 71 | League | 7.185 |
| 12/15/18 | Lost | Prosser 53 | Toppenish 56 | League | 5.089 |
| 01/11/19 | Won | Prosser 78 | Ellensburg 68 | League | 7.185 |
| 01/19/19 | Lost | Prosser 72 | Toppenish 83 | League | 5.089 |
| 02/07/19 | Won | Prosser 82 | Ellensburg 64 | Playoff | 7.185 |
| 12/06/19 | Lost | Prosser 41 | Ephrata 67 | League | 3.238 |
| 12/28/19 | Lost | Prosser 52 | West Valley (Spokane) 54 | Non-league | 6.928 |
| 01/11/20 | Lost | Prosser 56 | Ephrata 60 | League | 3.238 |
| 01/14/20 | Lost | Prosser 79 | Wapato 88 | League | 25.818 |
| 01/31/20 | Won | Prosser 71 | Toppenish 62 | League | 1.878 |
| 02/01/20 | Lost | Prosser 58 | Selah 61 | League | 0.957 |