This 2014, sports remains to be one of the biggest generators of revenue. In fact, sports is among the top lucrative careers in the world. Here are the top five richest and most valuable sports teams of the year.

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Real Madrid039s Cristiano Ronaldo L controls the ball next to teammates Gareth Bale C and Fabio Coentrao during their training session on the eve of their Champions League match against Basel at Valdebebas training grounds in Madrid September 15, 2
Originally founded as Madrid Football Club in 1902, Real Madrid pulled in the most income of all football clubs. Currently, this club has the big names in football such as Cristiano Ronaldo and Sergio Ramos. The club was firmly established in 1950s and has been going strong ever since. REUTERS/Sergio Perez
New York Yankees shortstop Derek Jeter jumps out of the way
New York Yankees' shortstop Derek Jeter jumps out of the way of a sliding Toronto Blue Jays' Ed Sprague after putting him out and throwing to first to put out Darren Fletcher to complete the double play and end the sixth inning, in Toronto April 21. Reuters
Dallas Cowboys quarterback Tony Romo
Dallas Cowboys ranks fifth as the most valuable sports team of the world with overall worth of $2.3 billion. The wealthiest of the NFL teams since 2007 has a combined sponsorship and premium seating revenues of $220 million. In 2013, the Dallas Cowboys was deemed the second-highest US sports franchise in terms of value. Reuters
Barcelonas Lionel Messi celebrates his second goal with teammates during their Spanish first division soccer match against Sevilla at Nou Camp stadium in Barcelona November 22, 2014. Barcelona forward Messi set a La Liga scoring record of 253 goals
Officially Futbol Club Barcelona, Barcelona has been around since 1899 and it has the largest fan base in the world on all social networks. It is known to be more than a club as it represents its country. In the past decade, FC Barcelona has won six La Liga titles led by Lionel Messi and Neymar, who are also two of the highest-paid players in the sport. Reuters
Manchester Uniteds Radamel Falcao C celebrates with team-mates after scoring a goal during their English Premier League soccer match against Aston Villa at Villa Park in Birmingham, central England December 20, 2014.
Manchester United the club with the most supporters around the world have had a better than expected season so far. Let us take a look back and see the highlights of the season so far. REUTERS/Darren Staples