Jerry Yang has made his first move as chief executive of Yahoo, buying the college sports website Rivals.com for an undisclosed sum.
Mr Yang took over Yahoo this week after the abrupt exit of predecessor Terry Semel, raising question marks over the internet firm's direction.
Reports have suggested News Corporation is keen to buy a 25% stake in Yahoo, adding to the pressure on Mr Yang.
The Rivals.com deal will boost Yahoo's US sports offering.
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