Crossword puzzle clue "it's between one and many"

Yankees manager of the '70s between two Billy Martin stints and of the '80s between two Gene Michael stints

It's between "one" and "many"

Many, many, many

Many, many, many

You've likely heard it many many many times before

Between few and many

Retreat with one's tail between one's legs

Move with one's tail between one's legs