The official FIFA 2014 World Cup ball ‘Brazuca’ was unveiled on Tuesday night.
ESPN FC - FC Reviews: The Brazuca, adidas' official World Cup 2014 match ball, is a major step up in class from the Jabulani.
World Cup: Footage of the Jabulani ball causing mayhem in 2010
Proceedings, Free Full-Text
Ninja knowledge underlies new World Cup 'Brazuca' ball - researcher
World Cup's Brazuca ball rated more stable than Jabulani
Adidas Brazuca Ball - How Does it Perform? - Soccer Cleats 101
2010 FIFA WORLD CUP BRAZIL VS. NETHERLANDS MATCH USED AND SIGNED BALL
World Cup ball – DW – 06/09/2010
World Cup balls: Al Rihla, Tango, Jabulani & the complete history of official matchballs