It's daft to be so close to the bat (5)

I believe the answer is:

silly

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'it's daft' is the definition.
(I've seen this before)

I don't understand the remainder of the clue.

(Other definitions for silly that I've seen before include "Stupid" , "Ludicrous, foolish" , "Not serious" , "Preposterous" , "near the batsman" .)

I've seen this clue in the Evening Standard.

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