Nike calls it a "voluntary product return", ...
How could this happen in the dog eat dog world of golf equipment?
They were ratted out by a competitor.
And how would they gain by this bit of corporate espionage?
For whatever reason, even before this golf manufacturing "spy" committed corporate espionage, Nike’s product hasn’t been getting the same respect or publicity as Callaway. Even Tiger Woods doesn't have the new Sumo2 in his bag. How bad is it when your top spokesplayer snubs your product? (more)