LAU

Set to 4 different clues across 5 published puzzles, most often “Charlie of the 60's Orioles” — The New York Times, Friday, 3 November 2006.

3 letters

Every clue on record, most used first

Charlie of the 60's Orioles2 times
The New York Times — Friday, 3 November 2006
"The Art of Hitting .300" writer Charleyonce
The New York Times — Friday, 26 February 2010
Batting instructor Charlieonce
The New York Times — Thursday, 17 August 2006
Famed batting instructor Charlieonce
The New York Times — Saturday, 27 May 2000