Tiger Woods tops Forbes ' most valuable brand list despite his form slump . Golfer is $ 29 million ahead of second-placed tennis star Roger Federer . Nike moved further ahead as the most valuable overall brand on $ 15 billion . But his $ 55 million value is still $ 29 million higher than the second-placed athlete , tennis star Roger Federer . Comment:
Tiger Woods tops Forbes ' most valuable brand list despite his form slump . Golfer is $ 29 million ahead of second-placed tennis star Roger Federer . Nike moved further ahead as the most valuable overall brand on $ 15 billion . Comment: