Not in professional sports, see <a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;Faster-Higher-Stronger-Generation-Superathletes--&#x2F;dp&#x2F;1594631530&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;Faster-Higher-Stronger-Generation-Supe...</a> or <a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;Sports-Gene-Extraordinary-Athletic-Performance-ebook&#x2F;dp&#x2F;B00AEDDQKE&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;Sports-Gene-Extraordinary-Athletic-Per...</a> (similar ideas in both books)