UPDATE 2-Adidas says will come out on top in World Cup kit fight
* Adidas set to sell more than 8 million World Cup shirts
* Adidas to sell more than 14 million Brazuca balls
* CEO disappointed by Spain, happy with other teams
* 80-90 pct of World Cup jerseys already sold
* Satisfied with FIFA handling of Qatar corruption scandal (Adds details, background)
By Emma Thomasson
HERZOGENAURACH, Germany, June 24 (Reuters) - German sportswear firm Adidas expects to keep its position as the world's biggest seller of soccer gear as strong World Cup performances by the star players it sponsors fires demand for its shirts, boots and balls.
Chief Executive Herbert Hainer said Adidas would reach its target of 2 billion euros ($2.72 billion) of soccer sales in 2014, keeping it ahead of rival Nike's estimated $2 billion in soccer turnover.
"We as a brand have by far scored the most goals," Hainer told a news conference, highlighting the World Cup performance of players wearing Adidas boots like Robin van Persie and Arjen Robben of the Netherlands and Thomas Mueller of Germany. Continuación...