Sierra High freshman hurler Allison Walljasper threw a no-hitter Friday against West in opening-round action of the NorCal Classic softball tournament.

The Timberwolves (17-1-1), who received a bye when Del Oro forfeited the early game, were helped out by Elia Vasquez’s solo home run and Lily Gonzales’ game-clinching catch to preserve the 1-0 victory at the Tracy Sports Complex.

“It was just a great all-around team effort,” said Sierra coach Nick Olmo, who also praised the play of the hometown Wolf Pack.

Walljasper’s impressive performance included 11 strikeouts. She walked a batter and hit another.

That hit represented the tying run during West’s last at-bat. The Wolf Pack base-runner moved into scoring position with two outs.

But Gonzales came through with a diving back-hand grab in left field for the final out.

“The ball was hit far enough to score a (West) run,” Olmo said.

 Sierra scored the only run in the game in the fourth. That’s when Vasquez cracked the solo blast with one out.

From that point on, the Timberwolves relied on their defense and, of course, pitching.

Offensively, Sierra had six hits, with Shakira Lewis going 2 for 2 and Ivana Hughes coming through with a hit and a sacrifice.

Vasquez, in addition to the homer, also reached base on an error.

The Timberwolves return to action today at 11 a.m. in Tracy, facing either Bear River or Sheldon.

The Spartans made an impressive run against Castilleja of Palo Alto in the NorCal Classic.

Lathrop (2-17) led early against the Gators, who hold the top spot in the West Bay-Foothill league, claiming a 9-4 lead after three innings.

But Castilleja (8-9) battled back, scoring a run in the sixth, rallying for six more in the fifth, and adding two in the sixth and seventh.

Entering their final at-bat, the Spartans were down 15-10. They, too, fought back, scoring four runs in the bottom half of the seventh only to fall one-run shy of forcing extra innings.