The richest among those is Los Angeles Clippers owner Steve Ballmer, who Forbes says is the 26th-richest person in the world with a net worth of $23.5 billion.
Ballmer, the former CEO of Microsoft, bought the Clippers in 2014 for a record $2 billion.
Paul Allen, Ballmer's Microsoft compatriot, owns both the Seattle Seahawks and the Portland Trail Blazers and is worth $17.5 billion (40th overall in Forbes rankings). Rounding out the top five are Miami Dolphins owner Stephen Ross at $12 billion (80th), Los Angeles Kings owner Phil Anschutz at $9.7 billion (108th) and Denver Nuggets, Colorado Avalanche and Los Angeles Rams owner Stan Kroenke at $7.7 billion (148th).
Kroenke's wife, Ann, is worth $4.5 billion, according to Forbes.
Other NBA owners on the list include the Brooklyn Nets' Mikhail Prokhorov ($7.6B), Miami Heat owner Micky Arison ($7.1B), New York Knicks owner Charles Dolan ($5B), Dan Gilbert of the Cleveland Cavaliers ($4.9B), Orlando Magic owner Rich DeVos ($4.7B), Tom Gores from the Detroit Pistons ($3.3B), Dallas Mavericks owner Mark Cuban ($3.3B), Indiana Pacers owner Herb Simon ($2.8B), New Orleans Pelicans owner Tom Benson ($2.2B), Memphis Grizzlies owner Robert Pera ($2B), Glen Taylor from the Minnesota Timberwolves ($1.8B), Milwaukee Bucks owner Marc Lasry ($1.7B), Houston Rockets owner Leslie Alexander ($1.5B), Utah Jazz owner Gail Miller ($1.4B), Chicago Bulls owner Jerry Reinsdorf ($1.3B), former Bulls player and Charlotte Hornets owner Michael Jordan ($1.1B) and Atlanta Hawks owner Tony Ressler ($1.1B).
The richest NFL owners include Jacksonville Jaguars owner Shahid Khan ($5.9B), Dallas Cowboys owner Jerry Jones ($5B), New England Patriots owner Robert Kraft ($4.8B), Buffalo Bills owner Terry Pegula ($4B), Houston Texans owner Robert McNair ($3.3B), Stephen Bisciotti of the Baltimore Ravens ($3B), New York Giants co-owner Joan Tisch ($3.3B), the Atlanta Falcons' Arthur Blank ($2.6B), Cleveland Browns owner Jimmy Haslam ($2.3B), Indianapolis Colts owner Jim Irsay ($2.3B), New Orleans Saints owner Tom Benson, Washington Redskins owner Dan Snyder ($2.1B), San Francisco 49ers owner Denise York ($1.9B), Philadelphia Eagles owner Jeffrey Lurie ($1.8B), San Diego Chargers owner Alex Spanos ($1.7B) and Detroit Lions owner Martha Ford ($1.3B).
After Anschutz, Kroenke, Dolan (New York Rangers) and Pegula (Buffalo Sabres), the next richest NHL owner is the Detroit Red Wings' Michael Ilitch ($4.8B). Other NHL owners who made the list include Boston Bruins owner Jeremy Jacobs ($3.7B), Edmonton Oilers owner Daryl Katz ($3.2B), Anaheim Ducks owner Henry Samueli ($2.6B), Florida Panthers owner Vincent Viola ($1.9B) and Pittsburgh Penguins owner Ron Burkle ($1.5B).
The richest MLB owner is Ted Lerner of the Washington Nationals ($5.5B), followed by Ilitch (Detroit Tigers), San Francisco Giants owner Charles Johnson ($4.6B), Philadelphia Phillies owner John Middleton ($2.7B), Oakland Athletics owner John Fisher ($2.2B), Los Angeles Dodgers owner Mark Walter ($2.2B), Los Angeles Angels owner Arte Moreno ($1.8B), Texas Rangers owner Ray Davis ($1.7B) and Chicago White Sox owner Jerry Reinsdorf.
The richest non-owner in the sports world is Nike co-founder Phil Knight, who has a net worth of $24.4 billion. New Balance founder Jim Davis is worth $4.9 billion, according to Forbes, while Under Armour founder Kevin Plank is worth $3.2 billion. Reebok founder Paul Fireman, who sold the company to Adidas, is worth $1 billion.
UFC owners Frank and Lorenzo Fertitta, the magazine says, are worth $1.4 billion each.
Steve Ballmer throws down a dunk -- with some help
To help hype up the crowd during halftime, Clippers owner Steve Ballmer jumps on a mini-trampoline and finishes with a two-handed dunk.