What do Tom Brady, Michael Jordan and Serena Williams have in common?

They are all very, very wealthy.

Find Out: See How Much Reese Witherspoon and More A-List Movie Stars Are Worth

But can you guess their actual net worths? Test your knowledge of these big names and more.

Last updated: Feb. 2, 2021

LeBron James entered the NBA straight out of high school, the No. 1 pick of the Cleveland Cavaliers in 2003. The 6-foot-8-inch power forward, nicknamed King James, was the most-hyped rookie to enter the NBA in years.

In 17 seasons with the Cavaliers, Miami Heat and Los Angeles Lakers, James has won four NBA championships in six NBA Finals appearances. He’s on the shortlist of greatest NBA players of all time, and he’s still going at age 36.

James’ current contract with the Lakers is a four-year deal worth $153,312,846.

But here’s where you can find out his total net worth.

Read More: LeBron James and More of the Richest Athletes Younger Than 40

Picked out of Purdue in the second round of the 2001 NFL draft by the San Diego Chargers, Drew Brees developed into one of the greatest quarterbacks in NFL history.

Considered undersized at just 6 feet tall, Brees left the Chargers after five seasons and signed with the New Orleans Saints, eventually leading them to a Super Bowl championship.

Brees, 42, is expected to retire after this season and join the NBC broadcast team. He’s finishing a two-year, $50 million contract with New Orleans.

Keep reading to find out his actual net worth.

Find Out: 27 Richest No. 1 NFL Draft Picks

Tampa Bay Buccaneers quarterback Tom Brady is considered the greatest NFL quarterback of all time, with a record six Super Bowl championships in nine appearances with the New England Patriots.

The 43-year-old left the Patriots for the Buccaneers last offseason after 20 seasons with New England — and now he’s headed back to the Super Bowl. He’s making $50 million for a two-year deal with Tampa Bay.

Do you know his total net worth? Find out.

Did You Know: How Much Drew Brees, Tom Brady and Other QBs Make Per Career TD Thrown

Shaquille O’Neal has almost as many nicknames as he does scoring titles and championships in his amazing NBA career.

The 48-year-old former star was known as the Big Diesel, Big Aristotle or just Shaq in his 19-year NBA career. At 7-foot-1-inch and 325 pounds, O’Neal was one of the most dominant big men of all time, winning four NBA titles with the Los Angeles Lakers and Miami Heat.

O’Neal’s biggest paycheck for a single season was $27,696,430 for the Lakers in 2004-05.

Now a broadcaster on TNT, O’Neal continues to add to his net worth, which you can find out here.

Big Tippers: 20 Celebs Who’ve Left Generous Tips

Aaron Rodgers has come a long way since the 2005 NFL draft, when he was projected as a top pick but famously slipped to No. 24 to the Green Bay Packers.

The 37-year-old quarterback has built a Hall of Fame NFL career, with a Super Bowl title and two NFL MVP awards. And Rodgers has been paid quite well for it, as he’s currently playing on a four-year, $134 million deal for the Packers, including a $57 million signing bonus.

Plus he’s a valued pitchman off the field, with a huge endorsement contract with State Farm.

Here’s how much he’s worth.

Find Out: Professional Athletes Set To Earn Big Money in 2021

During the height of his stellar NBA career, Michael Jordan starred in a Gatorade commercial with the jingle “I Want To Be Like Mike.”

That’s what basketball fans worldwide wanted, because Jordan was hands-down the best NBA player of his generation (and perhaps all time), and also one of the biggest celebrities of his time.

Jordan compiled six NBA titles with the Chicago Bulls, and he was the best player on the 1992 Olympic men’s basketball team, considered the greatest basketball team of all time. Jordan was also a sought-after pitchman, with huge deals with Nike, Gatorade and others.

The NBA star is now an owner of the Charlotte Hornets.

Can you guess his net worth?

Did You Know: How Much Each Teammate Made During Michael Jordan’s Time With the Chicago Bulls

Known as “The Great One,” Wayne Gretzky is hands-down the greatest NHL player of all time.

The 59-year-old holds every imaginable NHL record, with most career regular-season goals (894), assists (1,963) and points (2,857).

Gretzky led the Edmonton Oilers to four Stanley Cups, and he famously took the Los Angeles Kings to the Stanley Cup final. He also played for the St. Louis Blues and New York Rangers.

See how much the Hockey Hall of Famer is worth now.

Current Events: Can Professional Sports Leagues Afford Another Year Without Fans?

At 32 years old, Stephen Curry is the youngest player on this list. The Golden State Warriors point guard has won three NBA championships and two NBA MVP awards in his career, and he’s frequently known for his willingness to shoot from seemingly anywhere on the court.

The slender, 6-foot-3-inch guard has a fat wallet — he’s currently playing on a five-year, $201,158,790 contract.

Can you guess his overall worth?

Did You Know: Athletes With Major Business Empires Outside of Sports

Before Tom Brady, Joe Montana was the gold standard for NFL quarterbacks.

Montana, known as “Joe Cool,” led the San Francisco 49ers to four Super Bowl championships, building a reputation for clutch plays when he threw “The Catch,” a game-winning touchdown pass to Dwight Clark in the NFC Championship against the Dallas Cowboys, and a 92-yard touchdown drive to beat the Cincinnati Bengals in the Super Bowl.

Montana, 64, came out of Notre Dame and played for the 49ers and Kansas City Chiefs in his 16 NFL seasons.

Here’s how much he’s worth.

Find Out: Which NFL Hall of Famer Has the Highest Net Worth?

With 23 Grand Slam titles, Serena Williams is considered the greatest female tennis player of all time, and many consider her the best player of either gender.

Williams, 39, made her professional debut at age 14 and was originally best known for being the younger sister of fellow tennis star Venus Williams. The two dominated tennis in the late 1990s and 2000s.

Serena has won the “grand slam” — holding all four tennis titles at once — twice.

She ranks first all-time in WTA winnings with $93,634,967.

She how much she is worth when you add in her high-profile endorsements.

See the Full List: The Richest Women in Sports

Peyton Manning is one of the greatest quarterbacks in NFL history, and he’s almost as well-known for his deadpan sense of humor in commercials.

Manning, 44, played 18 seasons in the NFL for the Indianapolis Colts and Denver Broncos, winning two Super Bowls and five NFL MVPs.

The quarterback is the best-known member of the Manning clan, which includes father Archie and brother Eli, both of whom also played in the NFL.

Manning is a ubiquitous endorser, appearing in commercials for Nike, Gatorade, Nationwide, Papa John’s and more.

Here’s how much he is worth.

Read More: 25 Athletes Who Were Born Rich

Eli Manning, the younger brother to Peyton, put together a stellar NFL career in his own right. Eli led the New York Giants to two Super Bowl crowns, upsetting the New England Patriots each time.

Eli, 40, played 16 seasons for the Giants. After a rocky start when he and his father forced a trade from the San Diego Chargers to the Giants at the NFL draft, Eli became a fixture in New York, holding franchise records for most passing yards and passing touchdowns.

Here’s his net worth.

More From GOBankingRates

This article originally appeared on GOBankingRates.com: How Rich Are Tom Brady and These Other Big-Name Athletes?