He sang about game like this (6)
I believe the answer is:
caruso
'he sang' is the definition.
The definition suggests a singular noun which matches the answer.
'about game like this' is the wordplay.
'about' becomes 'ca' (abbreviation for circa).
'game' becomes 'RU' (rugby union).
'like this' becomes 'so' ('like so').
'ca'+'ru'+'so'='CARUSO'
Can you help me to learn more?
(Other definitions for caruso that I've seen before include "Enrico . . . . . ., former tenor" , "songster" , "Classical tenor" , "Enrico ...... was famous Italian tenor" , "Enrico ......, late great Italian tenor" .)