May cause a limp fielder (5,3)

I believe the answer is:

short leg

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'fielder' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

(Other definitions for short leg that I've seen before include "Fieldsman" , "Fielder" , "one who isn't in" .)

I've seen this clue in the Sydney Morning Herald.

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