Kei Nishikori signs brand ambassador deal with TAG Heuer:
World No. 18 and rising Japanese star Kei Nishikori has signed a brand ambassador deal with TAG Heuer, the prestigious Swiss watch brand established in 1860.
On Friday, Tiger Woods lost his endorsement deal with Tag Heuer, as a spokesman for the Swiss watch retailer said: ``We recognize Tiger Woods as a great sportsman but we have to take account of the sensitivity of some consumers in relation to recent events.''