Newport Harbor was down before it arrived, but not out.
Pressed into service, Grace kept the Sailors in the game. The senior left after the third inning with a two-run lead.
Newport Harbor failed to score again. The Scorpions rallied for six runs in the sixth inning to win, 10-6, and avoid being upset.
The Sailors looked visibly disturbed after the two teams exchanged high-fives near home plate. Newport Harbor's first postseason appearance in 20 years ended on a sour note.
A player from Camarillo (23-4) yelled and mocked a Newport Harbor fan. Dillan Freiberg and his teammates took exception.
Freiberg had to be held back.
"I'd like to have that game back," said Freiberg, a senior, who played his final high school baseball game.
Through five innings, Newport Harbor (17-11) played like the better team. The Sailors out-hit the hosts, ranked sixth in the final regular-season coaches' poll, 11-4.
Newport Harbor led, 6-4, and was on its way to pulling off a second straight victory in the playoffs after Tuesday's 3-2 wild-card win at home against Roosevelt of Corona. The odds were stacked against the Sailors.
The Sailors played without pitcher Chase Kapana (7-2) and first baseman Matt Carpenter (eight home runs, 29 RBIs), but they didn't use that as an excuse. They made the 94-mile trip to Ventura County in the afternoon to win.
"I thought it brought us closer as a team," Freiberg said.
"Life goes on. You've got to go with the blows and that's what we did."
The Scorpions struck first after Newport Harbor squandered a bases-loaded opportunity in the top of the first inning.
After Grace nailed the leadoff batter, Mike Erb retaliated by hitting Grace harder. Behind on the count, 0-2, Erb blasted a two-run home run to left-center field.
The ball tends to fly out of the yard in that direction fast.