Siblings like to compete with each other in all areas of life, so it(***)s no surprise they often end up competing in the same sporting profession. Battles rarely get fiercer than the ones between Venus and Serena Williams - the sisters who dominated women’s tennis for a decade - however, they are not the only sporting siblings fighting for recognition in the sport they love [GALLO/GETTY]
Published On 1 Mar 20121 Mar 2012
Following in the giant footsteps of his elder brother Novak, this week saw 869th-ranked Marko Djokovic (R) going out in the first round of the Dubai Championships. Marko certainly has his work cut out for him if he is to get one up on his older sibling who is five-time Grand Slam champion and currently world number one [GALLO/GETTY]
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Great Britain Olympic hopefuls Jonathan and Alistair Brownlee have swum, run and cycled their way to the top of the Triathlon tree. Jonathan (R) is the two-time and reigning World Sprint Triathlon Champion, while older brother Alistair is the reigning Triathlon World Champion. Younger brother Edward is a promising swimmer and runner and likely to soon be challenging older siblings for world titles [GALLO/GETTY]
Since winning the Champions League with Barcelona in 2009, Yaya Toure (R) moved to Manchester City to join older brother Kolo. Both represent the Ivory Coast who finished as runners-up during the 2012 African Cup of Nations. If you needed any more proof football runs in the family, younger brother Ibrahim plays in the Egyptian Premier League [GALLO/GETTY]
It is cricket and not football that runs in the blood of the Akmal family. The three brothers Kamran (R), Umar (L) and Adnan all play for Pakistan. Kamran the eldest was part of the winning team which lifted the 2009 World Twenty20 trophy, Umar is a regular member of the one-day side and Adnan was wicketkeeper for the team that defeated England in the last Test series [GALLO/GETTY]
Battling Serena and Venus as the new sisters on the court, Agnieszka Radwanska (R) and Urszula Radwanska (L) are becoming huge stars in their native Poland. Fifth-ranked Agnieszka, the elder of the two, has won eight WTA singles titles. The two siblings have played each other on the WTA Tour four times, of which Agnieszka has won three [GALLO/GETTY]
Vitali (L) and Wladimir (R) Klitschko are the dominant forces in heavyweight boxing and the brothers all boxers want to beat. Wladimir unified the WBA/IBO/WBO/IBF titles and is the longest reigning heavyweight champion, while older brother Vitali is the current WBC champ. However, chances are they will never meet in the ring after promising mummy they would never spa [GALLO/GETTY]
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Having led the New York Giants to Super Bowl victory in 2012, Eli Manning (L) is on course to successfully emulate older brother Peyton (R), who is not only one of the greatest quarterbacks of the past decade but of NFL history. The bros are sons of former NFL quarterback Archie Manning who obviously taught his sons all he knew about the position [GALLO/GETTY]
American taekwondo champions Mark, Diana and Steven Lopez made history in 2005 becoming the first siblings in any sport to claim world championship titles at the same event. Steven Lopez (R) is a twice Olympic gold medalist and known as the (***)Muhammad Ali(***) of taekwondo [GALLO/GETTY]
Finnish NHL stars Saku (front) and Mikko Koivu have enjoyed successful careers for the Anaheim Ducks and Minnesota Wild, respectively. Both have represented Finland, with Mikko captaining the national team to gold at the 2011 Men’s World Ice Hockey Championships and Saku winning silver at the 2006 Winter Olympics. Legitimately whacking your brother with a stick... life doesn(***)t get much better than that [GALLO/GETTY]
