Santana was quoted by Spanish media saying that Nadal is "without a doubt the best Spanish athlete but being so young he'll finish by being the best world athlete."
The 24-year-old Nadal became the seventh player to complete a career Grand Slam in September with his U.S. Open victory. That came after French Open and Wimbledon triumphs earlier in the summer.
Story continues below ↓advertisement | your ad hereSantana was previously Spain's most successful player with four Grand Slam titles. Nadal has won nine.
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Del Potro comeback ends in defeatВ inВ ThailandNadal set for Mallorca role