"I started feeling people on my back. I felt one hard blow," he said. "It felt like knees and I don't know kicks ... I lay there," not fighting back. Holley said he briefly lost consciousness and the next thing he remembers is waking up in the back of a patrol vehicle.
Holley testified for most of the day. The videotaped beating was shown to jurors at the end of Holley's testimony.
Prosecutor Clint Greenwood told jurors that the officers were out of control.
"The defendant and his fellow officers methodically delivered their own brand of justice not in this courtroom but in the side of a street in southwest Houston," Greenwood said.
Holley's arrest and alleged beating was captured by a security camera at a nearby storage business. In the video, Holley can be seen on the ground, surrounded by at least five officers. Officers appear to kick and hit his head, abdomen and legs.
Jurors were shown photos of injuries Holley said he suffered, including a gash on the right side of his face and a bloodshot right eye.
A community activist released the video, prompting fierce public criticism of the police department. Leaders in Houston's black community said they believed the alleged beating was another example of police brutality against blacks and other minorities in the city, and that the misdemeanor charges against the former officers were not serious enough.
Holley was convicted of burglary in juvenile court in October 2010. He was put on probation, which ended last month.
DeGuerin, said Holley is a gang member -- an allegation Holley denied.
If convicted, Blomberg could be sentenced to up to a year in prison.