Corey Maciel, who like Stow and others in their group was a paramedic, can be heard in the call describing Stow's body shutting down.
"His respiration rate is decreasing. He was struck by a fist in the head. He hit the ground, also hit his head on the ground. He is still unconscious," he told a 911 operator that night.
The call was played for the courtroom during a preliminary hearing for the beating Wednesday. Marvin Norwood and Louie Sanchez are accused of multiple felonies for the beating. The hearing will determine if there is enough evidence for the two men to stand trial.
Maciel described two separate confrontations in the parking lot after the game ended. The first time, Stow was shoved and another friend was punched. Neither fought back. Instead, according to witness Monique Gonzalez, Stow tried to calm the attackers.
"The gentlemen said, 'We're ready to go home, it's just a game, leave us alone,' and that's when everything happened," said Gonzalez.
According to witnesses, the same attackers came back -- a tall Caucasian male and a shorter Hispanic male, who appeared to be the aggressor.
"The next thing that happened was he was running and threw a long sweeping haymaker punch with his left hand to left side of Bryan's head.
I ran towards him...excuse me...The same man that punched Bryan kicked him repeatedly. Not just little kicks. These were full, wind-up as hard as you can kicks," said Maciel.
Memories of the blows are vivid, but like previous witnesses, Maciel cannot positively say the defendants were the attackers.
Raising questions of identity is the thrust of the defense strategy. The prosecution's objective is to show Sanchez and Norwood are beyond doubt the men who beat Stow and permanently damaged his brain.
Noreen Sanchez is expected to take the stand Thursday. She is the sister of defendant Luis Sanchez and allegedly drove the getaway car.