When the famous late "The Tonight Show" host first dubbed Bob Uecker — who died Thursday at the age of 90 — "Mr. Baseball," Johnny Carson actually did not know ... in 1971. @johnnycarson ...

The series was branded "Tonight! America After Dark" in the late 50s and later became "The Jack Paar Show." In 1962, "The Tonight Show" as we know it launched with host Johnny Carson.