I've seen left handed people are better at combat against the right handers is this true?Name some left handed sportsmens.And write how much percentage of left handed people and right handed people are there in earth?

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Left-handed sportsmen: Rafael Nadal, Lionel Messi, Steve Young, Barry Bonds, Saurav Ganguly, Wasim Akram.
About 10% of the population on earth is that of left-handed people.
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