In 1889, Hall of Fame pitcher Pud Galvin was one of baseball’s first users of performance enhancing drugs (PED’s) after receiving an injection containing crushed dog and guinea pig testicles. – WTF Fun Facts
testicles
WTF Fun Fact – Leech Private Parts
A leech has both male and female organs. In total they have 18 testicles and 2 ovaries. They also have 32 brains and 10 stomachs. – WTF Fun Facts
Source: theleechresource.weebly.com/reproductive-system.html