Enduring
Lena Blackburne: The Secret Mud Behind Every Baseball
11:03
Every Major League Baseball used this season was rubbed with the same thing — not a machine, not a factory, but a handful of mud from a secret spot on the Delaware River in New Jersey that only six people outside one family are allowed to know about. How Lena Blackburne found it in 1938, why nothing else works without darkening the ball, and why the smallest supplier in baseball still has a…