Nike and German rival Adidas are locked in their own Olympic battle to boost athletes' performance and squeeze maximum value out of next month's Games in London.
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Nike, Adidas locked in own Olympic battle
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David and Victoria Beckham to try for baby during London Olympics
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IOC to hold conference on role of World Anti-Doping Agency amid increasing tensions
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Charity struggles to compete
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AC Milan hoping for compensation from US Soccer
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IOC to decide which sport to drop
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London bids farewell to the Olympic Games
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Pistorius allowed to travel for competition
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We have to push to win matches:
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Indian athletes to miss out on two Asian events
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Tight games make for a more competitive series:
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Deadlock over FDI in retail continues
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My films are competing with each other:
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Adidas does u-turn over online sales
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Tennis zim racing against time to beat deadline
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Premier League teams dealing with injuries
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Footballer leads fight to save play space