54 Wins, 56 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 12/02/86 | Lost | Mossyrock 56 | Toledo 58 | Non-league | 5.628 |
| 01/22/87 | Lost | Mossyrock 49 | Adna 62 | League | 14.085 |
| 02/05/87 | Won | Mossyrock 57 | Morton 56 | League | 0.186 |
| 01/21/88 | Lost | Mossyrock 46 | Wahkiakum 55 | League | 5.090 |
| 02/11/88 | Lost | Mossyrock 62 | Toledo 65 | Non-league | 2.435 |
| 02/20/88 | Lost | Mossyrock 65 | Raymond 67 | Playoff | 0.623 |
| 12/02/88 | Lost | Mossyrock 57 | Toledo 66 | Non-league | 1.321 |
| 03/03/89 | Won | Mossyrock 56 | Tekoa-Oakesdale 37 | Playoff | 1.783 |
| 03/01/90 | Won | Mossyrock 64 | Sunnyside Christian 53 | Playoff | 2.849 |
| 03/03/90 | Lost | Mossyrock 49 | Tekoa-Oakesdale 57 | Playoff | 1.834 |
| Lost | Mossyrock 67 | Wahkiakum 73 | League | 6.580 | |
| 01/19/91 | Lost | Mossyrock 44 | Rainier 56 | League | 5.830 |
| 01/25/91 | Lost | Mossyrock 57 | Darrington 58 | Non-league | 2.328 |
| 02/23/91 | Won | Mossyrock 59 | Raymond 48 | Playoff | 0.913 |
| 02/27/91 | Lost | Mossyrock 59 | Sunnyside Christian 63 | Playoff | 8.435 |
| 03/01/91 | Lost | Mossyrock 47 | Willapa Valley 53 | Playoff | 11.046 |
| 03/04/92 | Won | Mossyrock 53 | Tekoa-Oakesdale 49 | Playoff | 5.743 |
| 03/07/92 | Won | Mossyrock 48 | Reardan 40 | Playoff | 3.827 |
| 12/01/92 | Won | Mossyrock 55 | Onalaska 43 | Non-league | 2.581 |
| 12/12/92 | Lost | Mossyrock 54 | Elma 55 | Non-league | 11.962 |
| 12/22/92 | Lost | Mossyrock 44 | Tacoma Baptist 51 | Non-league | 13.514 |
| 02/04/93 | Won | Mossyrock 64 | Rainier 51 | League | 6.445 |
| 02/23/93 | Lost | Mossyrock 49 | Lake Quinault 65 | Playoff | 2.805 |
| 12/28/93 | Won | Mossyrock 33 | Blaine 32 | Non-league | 2.875 |
| 01/07/94 | Won | Mossyrock 54 | Rainier 49 | League | 3.386 |
| 12/07/94 | Won | Mossyrock 55 | Elma 34 | Non-league | 2.595 |
| 12/14/94 | Won | Mossyrock 60 | Elma 52 | Non-league | 2.595 |
| 12/29/94 | Lost | Mossyrock 48 | Toledo 67 | Non-league | 1.022 |
| 01/06/95 | Won | Mossyrock 43 | Rainier 34 | League | 1.306 |
| 01/26/95 | Lost | Mossyrock 41 | Winlock 49 | League | 19.719 |
| 02/03/95 | Won | Mossyrock 67 | Rainier 49 | League | 1.306 |
| 03/01/95 | Lost | Mossyrock 44 | Tekoa-Oakesdale 48 | Playoff | 1.325 |
| 12/20/95 | Won | Mossyrock 57 | Morton 46 | League | 0.432 |
| 01/30/96 | Won | Mossyrock 64 | Rainier 62 | League | 5.572 |
| 12/06/96 | Lost | Mossyrock 50 | Adna 51 | Non-league | 12.474 |
| 01/22/97 | Won | Mossyrock 58 | Toutle Lake 50 | League | 5.687 |
| 01/30/97 | Lost | Mossyrock 43 | Napavine 47 | League | 11.223 |
| 02/14/97 | Won | Mossyrock 67 | Willapa Valley 41 | Playoff | 9.441 |
| 01/29/98 | Won | Mossyrock 45 | Wahkiakum 30 | League | 6.367 |
| 02/19/98 | Won | Mossyrock W | Willapa Valley L | Playoff | 9.835 |
| 12/04/98 | Won | Mossyrock 59 | Toutle Lake 54 | Non-league | 5.101 |
| 12/11/98 | Won | Mossyrock 56 | Onalaska 52 | Non-league | 7.026 |
| 01/08/99 | Won | Mossyrock 45 | Napavine 44 | League | 11.688 |
| 01/23/99 | Lost | Mossyrock 69 | Pe Ell 77 | League | 4.178 |
| 02/24/99 | Lost | Mossyrock 50 | South Bend 59 | Playoff | 9.213 |
| 11/30/99 | Lost | Mossyrock 53 | Onalaska 56 | Non-league | 10.571 |
| 12/03/99 | Won | Mossyrock 51 | Rainier 41 | Non-league | 4.272 |
| 12/06/99 | Won | Mossyrock 49 | Willapa Valley 38 | Non-league | 3.126 |
| 12/28/99 | Won | Mossyrock 61 | Ridgefield 53 | Non-league | 3.998 |
| 01/08/00 | Lost | Mossyrock 48 | Pe Ell 57 | League | 2.403 |
| 01/15/00 | Won | Mossyrock 44 | Napavine 41 | League | 7.300 |
| 02/07/00 | Lost | Mossyrock 52 | Morton 53 | League | 10.640 |
| 02/21/00 | Won | Mossyrock 44 | North Beach 41 | Playoff | 2.862 |
| 12/07/00 | Lost | Mossyrock 46 | Onalaska 53 | Non-league | 6.965 |
| 12/15/00 | Lost | Mossyrock 54 | Napavine 57 | League | 9.599 |
| 12/19/00 | Lost | Mossyrock 63 | Northwest Christian (Lacey) 74 | Non-league | 18.655 |
| 01/30/01 | Lost | Mossyrock 59 | Pe Ell 60 | League | 1.801 |
| 02/19/01 | Won | Mossyrock 56 | North Beach 54 | Playoff | 1.938 |
| 12/13/01 | Lost | Mossyrock 43 | Napavine 57 | Non-league | 13.657 |
| 12/17/01 | Lost | Mossyrock 40 | Onalaska 43 | Non-league | 4.695 |
| 02/27/02 | Lost | Mossyrock 30 | Ritzville 55 | Playoff | 5.760 |
| 03/01/02 | Won | Mossyrock 67 | Mount Vernon Christian 64 | Playoff | 2.848 |
| 12/03/02 | Lost | Mossyrock 66 | Napavine 79 | Non-league | 4.422 |
| 03/06/03 | Lost | Mossyrock 54 | Almira Coulee Hartline 62 | Playoff | 1.179 |
| 12/13/03 | Lost | Mossyrock 49 | Napavine 64 | Non-league | 2.842 |
| 12/27/03 | Lost | Mossyrock 52 | Onalaska 57 | Non-league | 1.686 |
| 01/17/04 | Lost | Mossyrock 61 | Napavine 67 | Non-league | 2.842 |
| 03/06/04 | Lost | Mossyrock 49 | Riverside Christian 59 | Playoff | 6.303 |
| 01/08/05 | Won | Mossyrock 69 | White Pass 44 | Non-league | 4.097 |
| 02/03/05 | Lost | Mossyrock 49 | Toutle Lake 52 | League | 11.873 |
| 02/26/05 | Lost | Mossyrock 53 | Toutle Lake 60 | Playoff | 11.873 |
| 03/05/05 | Lost | Mossyrock 38 | La Salle 46 | Playoff | 0.951 |
| 12/29/05 | Lost | Mossyrock 45 | White Pass 66 | Non-league | 4.436 |
| 03/03/06 | Lost | Mossyrock 37 | La Salle 46 | Playoff | 3.781 |
| 12/08/06 | Lost | Mossyrock 32 | Napavine 51 | League | 4.193 |
| 01/16/07 | Lost | Mossyrock 45 | Napavine 47 | League | 4.193 |
| 03/03/07 | Won | Mossyrock 47 | La Salle 46 | Playoff | 3.240 |
| 12/01/07 | Won | Mossyrock 52 | Onalaska 47 | Non-league | 0.211 |
| 12/28/07 | Lost | Mossyrock 46 | Toutle Lake 51 | Non-league | 4.749 |
| 01/17/08 | Won | Mossyrock 52 | Onalaska 41 | Non-league | 0.211 |
| 02/15/08 | Lost | Mossyrock 43 | Tacoma Baptist 44 | Playoff | 12.353 |
| 02/27/08 | Won | Mossyrock 51 | Shoreline Christian 41 | Playoff | 1.236 |
| 03/01/08 | Won | Mossyrock 60 | White Pass 46 | Playoff | 5.165 |
| 12/05/08 | Won | Mossyrock 43 | Onalaska 40 | Non-league | 6.863 |
| 01/17/09 | Won | Mossyrock 45 | White Pass 42 | League | 4.089 |
| 02/19/09 | Lost | Mossyrock 47 | North Beach 52 | Playoff | 14.502 |
| 12/19/09 | Lost | Mossyrock 31 | Orcas Island 34 | Non-league | 8.240 |
| 12/30/09 | Lost | Mossyrock 44 | North Beach 54 | Non-league | 2.167 |
| 01/11/10 | Won | Mossyrock 58 | Pe Ell 48 | League | 1.661 |
| 01/19/10 | Won | Mossyrock 50 | Pe Ell 47 | League | 1.661 |
| 01/26/10 | Won | Mossyrock 49 | Adna 39 | League | 0.698 |
| 02/24/10 | Won | Mossyrock 65 | Pe Ell 53 | Playoff | 1.661 |
| 01/28/11 | Won | Mossyrock 45 | Adna 43 | League | 13.287 |
| 02/09/11 | Lost | Mossyrock 34 | Northwest Christian (Lacey) 47 | Playoff | 1.540 |
| 12/09/11 | Won | Mossyrock 43 | Centralia 31 | Non-league | 7.046 |
| 12/15/11 | Lost | Mossyrock 44 | Winlock 47 | League | 7.451 |
| 12/08/12 | Won | Mossyrock 39 | Rochester 34 | Non-league | 5.062 |
| 12/21/12 | Won | Mossyrock 40 | Adna 33 | League | 2.000 |
| 01/24/13 | Won | Mossyrock 50 | Adna 49 | League | 2.000 |
| 01/22/15 | Won | Mossyrock 39 | Morton-White Pass 36 | League | 16.314 |
| 01/29/15 | Won | Mossyrock 54 | Pe Ell 39 | League | 2.152 |
| 12/18/15 | Lost | Mossyrock 23 | Pe Ell 29 | League | 5.273 |
| 12/30/15 | Won | Mossyrock 40 | South Bend 39 | Non-league | 5.301 |
| 12/06/17 | Lost | Mossyrock 33 | Toledo 43 | League | 5.082 |
| 01/27/18 | Lost | Mossyrock 31 | Kalama 42 | League | 25.238 |
| 12/15/18 | Lost | Mossyrock 39 | Kalama 63 | League | 0.553 |
| 01/04/19 | Won | Mossyrock 57 | Onalaska 50 | League | 11.406 |
| 12/11/19 | Won | Mossyrock 33 | Wahkiakum 30 | Non-league | 7.400 |
| 02/15/20 | Won | Mossyrock 42 | Toledo 27 | Playoff | 6.140 |
| 02/18/20 | Won | Mossyrock 55 | Rainier 41 | Playoff | 3.175 |
48 Wins, 34 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 01/17/03 | Won | Mossyrock 56 | Pe Ell 52 | League | 10.318 |
| 01/30/03 | Won | Mossyrock 45 | Wahkiakum 42 | League | 14.110 |
| 02/19/04 | Won | Mossyrock 47 | South Bend 37 | Playoff | 0.640 |
| 12/03/04 | Won | Mossyrock 49 | Onalaska 45 | Non-league | 1.522 |
| 12/28/04 | Won | Mossyrock 37 | Onalaska 35 | Non-league | 1.522 |
| 01/08/05 | Lost | Mossyrock 55 | White Pass 58 | Non-league | 3.808 |
| 01/11/05 | Won | Mossyrock 45 | Toutle Lake 42 | League | 5.033 |
| 01/13/05 | Won | Mossyrock 56 | Wahkiakum 51 | League | 6.769 |
| 01/19/05 | Lost | Mossyrock 40 | Pe Ell 43 | League | 1.835 |
| 02/02/05 | Lost | Mossyrock 61 | Pe Ell 65 | League | 1.835 |
| 02/04/05 | Won | Mossyrock 47 | Toutle Lake 45 | League | 5.033 |
| 12/27/05 | Lost | Mossyrock 36 | Onalaska 42 | Non-league | 2.309 |
| 01/12/06 | Won | Mossyrock 42 | Wahkiakum 39 | League | 3.802 |
| 01/27/06 | Lost | Mossyrock 45 | Adna 52 | League | 2.590 |
| 02/01/06 | Lost | Mossyrock 43 | Pe Ell 44 | League | 4.038 |
| 02/07/06 | Won | Mossyrock 55 | Wahkiakum 48 | League | 3.802 |
| 02/13/06 | Lost | Mossyrock 43 | Oakville 50 | Playoff | 5.923 |
| 12/07/06 | Won | Mossyrock 43 | Napavine 31 | League | 1.074 |
| 12/19/06 | Lost | Mossyrock 59 | Morton 61 | League | 4.586 |
| 01/08/07 | Lost | Mossyrock 62 | Winlock 66 | Non-league | 11.139 |
| 01/31/07 | Won | Mossyrock 60 | Toutle Lake 59 | League | 9.026 |
| 02/09/07 | Lost | Mossyrock 66 | White Pass 68 | League | 3.420 |
| 03/02/07 | Won | Mossyrock 57 | Napavine 46 | Playoff | 1.074 |
| 12/13/07 | Won | Mossyrock 45 | Adna 42 | League | 6.929 |
| 12/18/07 | Lost | Mossyrock 68 | Morton 75 | League | 4.275 |
| 01/16/08 | Won | Mossyrock 58 | Napavine 55 | League | 6.684 |
| 02/01/08 | Won | Mossyrock 68 | Wahkiakum 57 | League | 17.148 |
| 12/03/08 | Lost | Mossyrock 54 | Toledo 56 | Non-league | 5.921 |
| 12/09/08 | Won | Mossyrock 57 | Pe Ell 52 | League | 1.502 |
| 01/09/09 | Won | Mossyrock 54 | Napavine 44 | League | 7.500 |
| 01/30/09 | Lost | Mossyrock 43 | White Pass 49 | League | 3.705 |
| 02/06/09 | Lost | Mossyrock 49 | Wahkiakum 65 | League | 6.741 |
| 02/10/09 | Won | Mossyrock 39 | Napavine 34 | League | 7.500 |
| 02/12/09 | Won | Mossyrock 46 | Adna 36 | League | 1.938 |
| 02/18/09 | Lost | Mossyrock 39 | White Pass 48 | Playoff | 3.705 |
| 02/21/09 | Lost | Mossyrock 59 | South Bend 62 | Playoff | 1.975 |
| 12/29/09 | Lost | Mossyrock 54 | North Beach 61 | Non-league | 11.303 |
| 01/12/10 | Lost | Mossyrock 38 | White Pass 50 | League | 0.516 |
| 01/14/10 | Won | Mossyrock 57 | Toutle Lake 55 | League | 7.165 |
| 01/29/10 | Won | Mossyrock 56 | Napavine 53 | League | 9.553 |
| 02/03/10 | Won | Mossyrock 65 | Wahkiakum 59 | League | 11.616 |
| 02/15/10 | Won | Mossyrock 47 | South Bend 44 | Playoff | 5.254 |
| 02/20/10 | Won | Mossyrock 58 | Northwest Christian (Lacey) 46 | Playoff | 0.741 |
| 12/15/10 | Won | Mossyrock 73 | Toutle Lake 53 | League | 0.935 |
| 12/28/10 | Lost | Mossyrock 51 | Willapa Valley 58 | Non-league | 3.970 |
| 01/14/11 | Won | Mossyrock 71 | Pe Ell 61 | League | 3.017 |
| 01/25/11 | Lost | Mossyrock 52 | Wahkiakum 53 | League | 2.998 |
| 02/12/11 | Lost | Mossyrock 54 | Northwest Christian (Lacey) 74 | Playoff | 1.805 |
| 02/16/11 | Lost | Mossyrock 53 | Wahkiakum 61 | Playoff | 2.998 |
| 12/02/11 | Lost | Mossyrock 52 | Raymond 55 | Non-league | 7.068 |
| 12/29/11 | Lost | Mossyrock 60 | South Bend 62 | Non-league | 10.212 |
| 02/02/12 | Lost | Mossyrock 50 | Morton-White Pass 69 | League | 1.451 |
| 02/20/12 | Won | Mossyrock 75 | Wahkiakum 62 | Playoff | 6.009 |
| 12/20/12 | Won | Mossyrock 61 | Adna 56 | League | 8.573 |
| 01/11/13 | Lost | Mossyrock 45 | Napavine 54 | League | 4.547 |
| 01/19/13 | Lost | Mossyrock 58 | Winlock 62 | League | 0.103 |
| 12/12/13 | Won | Mossyrock 53 | Onalaska 46 | League | 3.013 |
| 01/22/14 | Won | Mossyrock 56 | Onalaska 50 | League | 3.013 |
| 01/31/14 | Lost | Mossyrock 35 | Adna 51 | League | 11.852 |
| 02/10/14 | Lost | Mossyrock 67 | Pe Ell 71 | League | 16.352 |
| 03/07/14 | Won | Mossyrock 60 | Onalaska 54 | Playoff | 3.013 |
| 12/18/14 | Lost | Mossyrock 52 | Pe Ell 65 | League | 6.443 |
| 12/29/14 | Lost | Mossyrock 62 | Willapa Valley 74 | Non-league | 1.416 |
| 01/13/15 | Won | Mossyrock 42 | Onalaska 38 | League | 1.625 |
| 02/04/15 | Won | Mossyrock 66 | Napavine 64 | League | 4.020 |
| 02/06/15 | Won | Mossyrock 50 | Onalaska 48 | League | 1.625 |
| 02/18/15 | Won | Mossyrock 77 | Napavine 62 | Playoff | 4.020 |
| 02/21/15 | Lost | Mossyrock 66 | Ocosta 75 | Playoff | 3.194 |
| 12/08/15 | Won | Mossyrock 54 | Toutle Lake 49 | League | 1.009 |
| 01/20/16 | Won | Mossyrock 70 | Toutle Lake 60 | League | 1.009 |
| 01/27/16 | Lost | Mossyrock 61 | Adna 72 | League | 1.631 |
| 02/03/16 | Won | Mossyrock 74 | Napavine 65 | League | 3.240 |
| 02/13/16 | Won | Mossyrock 62 | Ocosta 46 | Playoff | 0.081 |
| 02/16/16 | Won | Mossyrock 60 | Morton-White Pass 46 | Playoff | 19.615 |
| 03/03/16 | Won | Mossyrock 69 | Friday Harbor 57 | Playoff | 1.857 |
| 03/04/16 | Won | Mossyrock 55 | Lind-Ritzville/Sprague 48 | Playoff | 3.035 |
| 12/15/16 | Won | Mossyrock 83 | Winlock 79 | League | 8.036 |
| 12/29/16 | Won | Mossyrock 60 | Ocosta 51 | Non-league | 3.294 |
| 02/03/17 | Won | Mossyrock 62 | Wahkiakum 60 | League | 0.560 |
| 01/04/18 | Won | Mossyrock 65 | Pe Ell 55 | League | 12.220 |
| 12/17/19 | Won | Mossyrock 65 | Tenino 58 | Non-league | 8.346 |
| 01/04/20 | Lost | Mossyrock 57 | Concrete 59 | Non-league | 10.758 |