Two friends drinking in Gleason Park got into a fight around 6:30 p.m. on Saturday evening.
According to Stockton Police, the men were drinking alcohol in the park when one of them, Andres Wachin, got mad and tried to stab the other with a knife.
The friend got away, found a wooden tree stake and hit Wachin in the head with it in self-defense.
Wachin was taken to the hospital with major injuries and arrested for assault with a deadly weapon. The other man was not harmed.