# Tennis: The former world number one and eight-time Grand Slam champion, André Agassi, says the American teenager, Learner Tien has the raw ability and mental steel to become one of the top tennis players in the world. The 19-year-old reached the final of the China Open in Beijing this month. Last week he pushed former number one Daniil Medvedev to three sets at the Shanghai Masters before losing in the last 16. Agassi says his young compatriot is incredibly gifted, not just with his game, but with his mind too.
Tennis: Agassi tips teenager Tien for the top