Andre Agassi is a man of many accomplishments. He’s a Nike-sponsored sneakerhead. He’s been married to both Steffi Graf and supermodel Brooke Shields. And, oh yeah, he’s one of the greatest professional tennis players of all time, winning eight Grand Slams, plus the Masters Cup, over the course of his twenty-year career.

Aside from all that though, Agassi’s also got one of the most distinctive domes in the history of the sport. From this early mullet to his unfortunate hairpiece to his Mr. Clean-inspired shaved-head-and-earring combo, the man has tried it all. Sixteen years since his last U.S. Open win, we’re here to break down a few of the lessons in hair that Agassi has taught us both on and off the court.

1. Take Notes

In this world, there will always be those that came before us, full to the brim with solid advice on how to be a total badass. Agassi learned this young, whilst bro-ing out with tennis—and grooming—greats like Björn Borg. Likewise, find mentors of your own, and take all the pointers you can get. As they say, knowledge is power.

Swedish tennis player Bjorn Borg with eight year-old future champion Andre Agassi, Las Vegas, Nevada, 1978. (Photo by Michael Brennan/Getty Images)Getty Images

2. Take Risks

Business in the front, party in the back; the mullet’s a bold move any way you cut it. Now, we’re by no means saying to go for broke and copy Andre’s choice of cut exactly (in fact, for the love of all that is holy, please don’t) but there is something to be said for a bit of daring. That might mean going for an undercut or, alternatively, a man bun. And once the play is made, just remember: confidence is key.

Andre Agassi of the United States wearing his jean style shorts makes a double hand return during a Men's Singles match at the ATP Lipton Tennis Championship on 15th March 1988 at the Tennis Center at Crandon Park in Key Biscayne, Florida, United States (Photo by Bob Martin/Getty Images)Getty Images

3. Beware the Neckbeard

If you happen to be a guy with a healthy dose of chest hair, more power to you. The trouble starts when you forget to set a dividing line for where the sweater vest ends and your beard begins. (Agassi often missed that memo.) So invest in a solid electric razor designed for collarbones and other odd angles, like this Philips Norelco number, and take care of that shit, STAT.

MUNICH - JULY 21: Andre Agassi of the USA is seen before the final match between Germany and USA at the Davis Cup on July 21, 1989 in Munich, Germany. (Photo by Bongarts/Getty Images)Bongarts/Getty Images

4. When It Starts to Thin, Cut It Short

The fact is that by age 35, two-thirds of American men will be losing their hair in one way or another. For Agassi, it happened over a decade before that and, after a bit of a rough patch, he decided to do what any respectable man in his scenario would: he buzzed it close and never looked back. Keep that in mind when push comes to shove.

MELBOURNE, AUSTRALIA - JANUARY 31: Top seed Andre Agassi of the US holds up his winner trophy after defeating second seed Yevgeny Kafelnnikov of Russia in the men's singles final of the Australian Open in Melbourne 30 January, 2000. Agassi defeated Kafelnikov 3-6, 6-3, 6-2, 6-4 to win the final. (ELECTRONIC IMAGE) (Photo credit should read GREG WOOD/AFP/Getty Images)AFP/Getty ImagesMost Popular

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5. Embrace the Bald

When the situation up top gets truly dire, there’s really no better solution than to shave. (Plus, just think of all the money you’ll save on shampoo.) Your toolkit: a fresh razor, a good lather and a solid head-specific aftershave. Oh, and an [SPF-infused moisturizer] (http://evolution-man.com/index.php/shop-onlinelinks/moisturelinks/moisture-protect-spf-20-triple-action.html#.Ve3In2RVhHw) for your newly exposed scalp probably wouldn’t hurt either.

LOS ANGELES, CA - SEPTEMBER 27: Tennis players Steffi Graf and Andre Agassi attend the Longines Los Angeles Masters Red Carpet and Charity Pro-AM at Los Angeles Convention Center on September 27, 2014 in Los Angeles, California. (Photo by Axelle/Bauer-Griffin/FilmMagic)FilmMagic

6. It’s All About Balance

Lacking up top? Think about growing something on your jaw—be it stubble, a beard, what have you—to help to take unwanted attention away from your shiny crown. (A supermodel on your arm wouldn’t hurt either.)

Actress Brooke Shields and professional tennis player Andre Agassi at Golden Globe Awards. (Photo by Mirek Towski/DMI/The LIFE Picture Collection/Getty Images)The LIFE Picture Collection/GettMost Popular

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7. Don’t Wear a Toupee (Or Acid-Washed Denim Tennis Shorts)

Resist the urge to go big with a wig. Agassi gets a pass because it was the '80s, you do not have such an excuse.

US tennis player Andre Agassi hits the ball in his match against Ecuadorian Andres Gomez during the Men's French Open final on June 10, 1990 at Roland Garros stadium in Paris. Former tennis star Andre Agassi wore a wig held together with pins in his first Grand Slam final, excerpts from his autobiography have revealed on October 31, 2009. The hairpiece, in his famous mullet style had fallen apart the night before the 1990 French Open final, which Agassi lost to Andres Gomez. AFP PHOTO/PIERRE VERDY (Photo credit should read PIERRE VERDY/AFP/Getty Images)AFP/Getty ImagesRelated Stories for GQU.S. OpenTennisHairTennis