Sponsorship
In October, 2011, PowerShares QQQ™ signed a multi-year agreement with the Champions Series to become the title sponsor of this national tennis league of erstwhile ATP professionals. Prior to PowerShares QQQ, Outback Steakhouse served as the title sponsor of this seniors' league (as before Outback, the series was known simply as Champions Series Tennis).
Read more about this topic: Outback Champions Series