It could be seen at the entrance of ground (Lords) — image of London’s leaders playing (8)

I believe the answer is:

doorsill

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'it could be seen at the entrance of ground' is the definition.
The definition suggests a singular noun which matches the answer.

'lords image of london's leaders playing' is the wordplay.
'leaders' indicates taking the first letters.
'playing' indicates anagramming the letters.
The initial letters of 'image of londons' is 'iol'.
'lords'+'iol'='lordsiol'
'lordsiol' with letters rearranged gives 'DOORSILL'.

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I've seen this clue in The Hindu.

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