The official FIFA 2014 World Cup ball ‘Brazuca’ was unveiled on Tuesday night.
Adidas Brazuca Review - The Instep
Jabulani Match Ball Adidas FIFA World Cup 2010 South Africa Soccer Ball Size 5
Reinventing the Ball
adidas brazuca
Ninja knowledge underlies new 'Brazuca' ball: researcher
Adidas Brazuca - Official World Cup 2014 Ball Details - Soccer Cleats 101
Brazuca Better Than Jabulani?
Introducing the Brazuca: the world's most tested football
World Cup 2010: Is the Jabulani ball bad for the World Cup?
Haq's Musings: Science of FIFA's Pakistan-made Brazuca Ball for Brazil World Cup 2014