Whois & Analysis for covers.com

The National Basketball Association (NBA) is the major men's professional basketball league in North America, and is widely considered to be the premier men's professional basketball league in the world.

It has 30 teams (29 in the United States and 1 in Canada), and is an active member of USA Basketball (USAB), which is recognized by FIBA (also known as the International Basketball Federation) as the national governing body for basketball in the United States.

The NBA is one of the four major professional sports leagues in the United States and Canada.

NBA players are the world's best paid athletes by average annual salary per player.

Sports betting is the activity of predicting sports results and placing a wager on the outcome.

The frequency of sports bet upon varies by culture, with the vast majority of bets being placed on association football, American football, basketball, baseball, hockey, mixed martial arts, track cycling, and boxing at both the amateur and professional levels.

Sports betting can also extend to non-athletic events, such as reality show contests and political elections, and non-human contests such as horse racing, greyhound racing and illegal, underground dog fighting.

The National Hockey League (NHL) is a professional ice hockey league currently composed of 30 teams – 23 in the United States and 7 in Canada – with a 31st team in Las Vegas scheduled to begin play in the 2017–18 season.

Headquartered in New York City, the NHL is considered to be the premier professional ice hockey league in the world, and one of the major professional sports leagues in the United States and Canada.

The Stanley Cup, the oldest professional sports trophy in North America, is awarded annually to the league playoff champion at the end of each season.

The National Football League (NFL) is a professional American football league consisting of 32 teams, divided equally between the National Football Conference (NFC) and the American Football Conference (AFC).

The NFL is one of the four major professional sports leagues in North America, and the highest professional level of American football in the world.

The NFL's 17-week regular season runs from the week after Labor Day to the week after Christmas, with each team playing 16 games and having one bye week.

Following the conclusion of the regular season, six teams from each conference (four division winners and two wild card teams) advance to the playoffs, a single-elimination tournament culminating in the Super Bowl, which is usually held in the first Sunday in February, and is played between the champions of the NFC and AFC.

Major League Baseball (MLB) is a professional baseball organization, the oldest of the four major professional sports leagues in the United States and Canada.

A total of 30 teams now play in the National League (NL) and American League (AL), with 15 teams in each league.

The NL and AL operated as separate legal entities from 1876 and 1901 respectively.

After cooperating but remaining legally separate entities since 1903, the leagues merged into a single organization led by the Commissioner of Baseball in 2000.

The organization also oversees Minor League Baseball, which comprises about 240 teams affiliated with the Major League clubs.

With the World Baseball Softball Confederation, MLB manages the international World Baseball Classic tournament.