Students were on high alert after a student contracted meningococcal disease, a bacterial infection that causes meningitis.
The other four former football players involved have pleas that allow them to avoid jail time if they complete court-ordered requirements.
Akins could face a minimum sentence of 4.5 years in state prison.
Kristaan Ivory, former running back involved in the attempted robbery of DSP, reduced his charge to a misdemeanor.
The fraternity will appeal the decision.
Former Cal Poly football player Cortland Fort was sentenced to three years’ formal probation and 1,000 hours of community service Monday morning.
The university will investigate Delta Sigma Phi’s (DSP) involvement in the attempted robbery that occurred last August.
The five Cal Poly football players arrested in connection with an attempted robbery last August pleaded not guilty on all counts at their arraignment this morning.
McMillan will return to court for sentencing on April 17.
At the end of the hearing, Judge Donald Umhofer will determine if there is enough evidence to proceed with a trial.
According to criminal investigations with Ivory, the players went to the fraternity home to take money.