In a battle between CIF ranked teams, Righetti scored with 22 seconds left to beat Santa Barbara 8-7 in a non-league boys water polo game on Thursday.
The Warriors are the No. 2-ranked team in CIF Division 4 and Santa Barbara is 9th in Division 1.
Evan Robertson scored 3 goals, Nick Johnson added 2 goals and earned 2 ejections, and Skyler Matthews had 3 steals and an assist for Santa Barbara.
The Dons host Dos Pueblos in a Channel League showdown on Tuesday.
