Footballer inadvertently tackles dancer (9)

I believe the answer is:

ballerina

I'm a little stuck... Click here to teach me more about this clue!

'dancer' is the definition.
(ballerina is a kind of dancer)

'footballer inadvertently tackles' is the wordplay.
'BALLERINA' is hidden within the letters.
But, I am uncertain how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for ballerina that I've seen before include "lass good at splits?" , "Dancers" , "agile performer" , "girl on point duty" , "Female classical dancer" .)

I've seen this clue in The Telegraph.

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