Professional athletes rake in tons of money every year for playing the game they love.
But the people with the real money are the ones who run the show.
Forbes put out its annual Billionaires list on Monday and the billionaires of the sports world aren’t out there on the field, they’re the ones behind the scenes.
Net Worth: $15.9 billion
Paul Allen has a stronghold on professional sports in the Pacific Northwest. Allen owns the Seattle Seahawks (NFL), the Portland Trailblazers (NBA), and the Seattle Sounders (MLS).
Allen's Seahawks won their first Super Bowl in 2014.
Net worth: $5.6 billion
Stanley Kroenke is all over the place when it comes to sports team ownership. Kroenke owns the Denver Nuggets, the Colorado Avalanche, the St. Louis Rams, and Premier League soccer club Arsenal.
Net worth: $4.2 billion
Glazer owns not one, but two sports teams. Glazer bought the NFL's Tampa Bay Buccaneers in 1995, and the EPL soccer team Manchester United.
Manchester United went public in August 2012 and became the first sports team to ever be valued at more than $US3 billion in January 2013.
Net Worth: $4.2 billion
Bernie Ecclestone owns 5.3% of Formula One, an elite car racing league in the U.K. Ecclestone turned Formula One into a popular sport across the globe.
Much of his fortune is sitting in trust funds for his daughters Petra and Tamara.
Net worth: $3.3 billion
Daryl Katz is the owner of the Edmonton Oilers, an NHL team based in Edmonton, Canada. The Oilers are currently working on a new $US600 million stadium.
Katz built his fortune after buying thousands of 'distressed drug stores' in Canada in the 90s, and then selling a large portion of the stores for $US1 billion.
Net worth: $3 billion
Jerry Jones has been the owner of the Dallas Cowboys since 1989. The Cowboys are the most valuable sports team in the United States worth $US2.1 billion. After making a fortune in the 1970's in natural gas, Jones bought the cowboys for just $US150 million in 1989.
He also owns the Cowboys' stadium.
Net worth: $2.9 billion
Robert Kraft bought the New England Patriots in 1995 for $US172 million.
Kraft is also the Chairman and CEO of The Kraft Group, which owns real estate, paper companies, and the New England Revolution.
Net worth: $2.6 billion
Mark Cuban is the owner of the Dallas Mavericks.
Cuban made his fortune in 1999 when he and his business partner Todd Wagner sold Broadcast.com for $US5.7 billion to Yahoo!.
Net worth: $2.2 billion
Stephen Bisciotti owns the Baltimore Ravens, he bought controlling interest of the football team in 2004. Bisciotti made his fortune founding an engineering staffing firm called Aerotek, now called Allegis Group.
Net worth: $2 billion
Robert McNair is responsible for bringing the NFL back to Houston. McNair brought the Texans to Houston in 2002. The Texans are worth $US1.3 billion.
McNair sold Cogen Technologies to Enron for $US1.5 billion just before the tech bubble.
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