Baseball great Gehrig (3)

I believe the answer is:

lou

'baseball great gehrig' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for lou that I've seen before include "--- Costello, US comic" , "man" , "-- Reed, rock musician" , "Male or female" , "-- Reed, singer" .)

I've seen this clue in the Newsday, the King Feature Syndicate and the Universal.

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