H - Denotes home games & (H) denotes homecoming.
1980 AA
(0 - 1) Playoffs
Coach: Roy Abshire
First Round
* The victory over Sunnyside marks the first victory for the Mustangs over the Grizzlies since 1968.
Mini-Playoff
* The loss to East Valley ended the Red Devils 42 game losing streak. ** Came back from a 20 - 0 deficit with 4 minutes left on the game to win in overtime.
* The loss to East Valley ended the Red Devils 42 game losing streak.
** Came back from a 20 - 0 deficit with 4 minutes left on the game to win in overtime.
* Jarrod Boyle raced in to block the punt, but the punter pulled the ball back down and ran 90 yards for the winning touchdown.
Coach: Tom Moore
League Champions
(1 - 1) Playoffs
Quarter-Finals
* Steve Harris ran 39 times for 220 yards in win over Riverview. ** Ephrata eventually went on to win the State Championship.
* Steve Harris ran 39 times for 220 yards in win over Riverview.
** Ephrata eventually went on to win the State Championship.
* Steve Harris and Wayne Dubois combined for 269 yards rushing and 4 touchdowns in rout of Ki-Be on their Homecoming.
** Prosser fumbled away its playoff hopes as the Mustangs gave the ball up 7 times including one in the second overtime that led to the winning score.
1989 AA
League Champions *
W L T 9 1 0 (0 - 1) Playoffs Coach: Tom Moore State Rank Prosser 47 Grandview 6 Prosser 21 Othello 6 Prosser 23 Selah 8 (8) Prosser 15 Sunnyside 12 (6) Prosser 31 Eastmont ** 21 (4) Prosser (H) 32 Ellensburg 13 (2) Prosser 42 West Valley 14 (2) Prosser 28 Hanford *** 21 (2) Prosser 21 Othello 6 First Round Prosser 18 Clarkston **** 19 Totals 278 126 * Steve Harris was named running back of the league after rushing for 1105 yards. ** Steve Harris rushed 35 times for 231 yards and 3 touchdowns against Eastmont *** Scott Morgan filling in for an injured Steve Harris rushed for a school record 324 yards (202 yards in the 2nd half) against Hanford. **** Clarkston scored 19 points in the 4th quarter to come back from an 18 to 0 deficit to win.
* Steve Harris was named running back of the league after rushing for 1105 yards. ** Steve Harris rushed 35 times for 231 yards and 3 touchdowns against Eastmont *** Scott Morgan filling in for an injured Steve Harris rushed for a school record 324 yards (202 yards in the 2nd half) against Hanford. **** Clarkston scored 19 points in the 4th quarter to come back from an 18 to 0 deficit to win.
* Steve Harris was named running back of the league after rushing for 1105 yards.
** Steve Harris rushed 35 times for 231 yards and 3 touchdowns against Eastmont
*** Scott Morgan filling in for an injured Steve Harris rushed for a school record 324 yards (202 yards in the 2nd half) against Hanford.
**** Clarkston scored 19 points in the 4th quarter to come back from an 18 to 0 deficit to win.
