Looking at vintage pictures is always fun.
But with the emergence of "Throwback Thursday" and "Flashback Friday," (isn't that the same thing, Internet?) gawking at baby photos has become a social media phenomenon.
To celebrate past looks and hashtags, I've gathered some early pictures of transcendent athletes that are definitely worth a double tap.
From baby faces to regrettable hairstyles, here are 20 sports superstars as rookies.