Sort of bury boxing, golf and football (5)
I believe the answer is:
rugby
'football' is the definition.
(I know that rugby is a type of rugby)
'sort of bury boxing golf' is the wordplay.
'sort of' indicates anagramming the letters.
'boxing' means one lot of letters goes inside another ('box' can mean contain, as in to put in a box).
'golf' becomes 'g' (phonetic alphabet: alpha, bravo, charlie etc.).
'bury' anagrammed gives 'ruby'.
'ruby' placed around 'g' is 'RUGBY'.
'and' acts as a link.
(Other definitions for rugby that I've seen before include "Midlands town" , "Tom Brown's school" , "Team game" , "Public school - sport" , "Sport with oval ball" .)