I Am Keith Hernandez - Keep the Mustache!
Who had one of the most famous moustache's on TV (and probably still does) : r/80s
Keith Hernandez Top 10 career moments
Keith Hernandez Top 10 career moments
Keith Hernandez Top 10 career moments
Mets Great Keith Hernandez Shaves Famous Mustache, Reveals New Look - CBS New York
Keith Hernandez's mustache has its own Baseball-Reference page
Greatest Mustaches in Sports History
19 Unbelievable Facts About Keith Hernandez
Keith Hernandez Turns 68 Today - Metsmerized Online
I'm Keith Hernandez: A sports documentary about mustaches, drugs and masculinity - The Athletic
Keith Hernandez – Society for American Baseball Research