LOS ANGELES (AP) — Former NFL star Darren Sharper removed all doubt Monday that he drugged and raped women, taking the first of several legal steps to own up to sex assaults in four states that will send him to federal prison for nine years.

He pleaded guilty to sexual assault in Arizona and no contest in California to raping two women he knocked out with a potent sedative mixed with booze.

Sharper, 39, wearing a striped, light blue suit, said he was entering the plea because it was in his best interest. He had faced up to 33 years in prison if convicted of all counts against him in California.

By not contesting the charges, the former all-pro safety who won a Super Bowl with the New Orleans Saints, admitted he raped two women he drugged after meeting them at a West Hollywood bar in 2013 and 2014. The no contest plea has the same effect as a conviction.

The women were not in court, but prosecutors said they had agreed to the plea deal.

Earlier, Sharper appeared in a Phoenix courtroom by video-conferencing from Los Angeles, where he has been jailed since February 2014.

He admitted sexually assaulting one woman and trying to attack another in suburban Phoenix in 2013.

Under the deal negotiated by his lawyers and state and federal prosecutors, Sharper will serve a nine-year federal prison term for similar crimes in Louisiana, Nevada, Arizona and California.

Hearings will follow in Las Vegas on Tuesday and in New Orleans in the next month. In each state, he’s accused of drugging and sexually assaulting women when they were unconscious or otherwise unable to resist or consent.

He was sentenced immediately in the Arizona case, which is very unusual. Sentencing in California was scheduled July 15.

Sharper retired from the NFL in 2011 after a 14-year career with three teams and later worked as an analyst for the NFL network.

All the alleged sexual assaults happened after Sharper’s retirement as a player.

Sharper admitted sexually assaulting one victim and trying to assault another in Arizona, though police said he drugged three women and sexually assaulted two of them at a Tempe apartment in November 2013.

Prosecutor Yigael Cohen on Monday cited a letter in which one of the victims says she suffered emotional harm as a result of the attack and that she didn’t have the ability to resist.

A search of the Tempe apartment turned up a shot glass with a white residue that turned out to be the sedative zolpidem, and California investigators discovered that Sharper had a prescription for the drug.

In the California case, he pleaded no contest to four counts of furnishing zolpidem, which is a controlled substance.

Sharper’s attorneys said last year that their client did not make the drinks authorities say he used to drug the women.

One of the women told police she had not had any alcohol that night until Sharper insisted she drink a shot. Another young woman said she had been drugged, then went to bed, locked her door and was not attacked.

The next day, one of the women confronted Sharper, who denied wrongdoing, according to police reports.

Sharper is expected to plead guilty to one felony charge of attempted sexual assault in Nevada, with the expectation that he will face up to eight years in prison, Clark County District Attorney Steve Wolfson told The Associated Press.

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Billeaud reported from Phoenix.