Which is Better: FIFA 2010 Jabulani or FIFA 2014 Brazuca?

Why this year's World Cup soccer ball may fly more predictably than the 2010 dud - The Washington Post

Physicists Say New World Cup Soccer Ball Design Has Big Impact

Fifa world cup ball hi-res stock photography and images - Alamy

Jabulani Football FIFA World Cup 2010 Soccer Ball Size 5 Soccer Gift

1,364 Adidas World Cup Ball Brazuca Stock Photos, High-Res Pictures, and Images - Getty Images

Adidas Brazuca Final Rio World Cup Ball Tested By Messi, Casillas, Zidane and 600 others

Brazil 2014: Can the Brazuca pump up the deflated World Cup football?

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Soccer Blog Why the Brazuca is going to be much better than the Jabulani

Jabulani is official match ball of World Cup 2010