"playersContainer": {
        "players": [
            {
                "id": "1",
                "name": "Nick",
                "teamName": "Shire Soldiers",
                "ratings": [
                    1,
                    5,
                    6,
                    9
                ],
                "assists": 17,
                "manOfTheMatches": 20,
                "cleanSheets": 1,
                "data": [
                    3,
                    2,
                    3,
                    5,
                    6
                ],
                "totalGoals": 19

            },
}

UPDATE site_content
SET content = jsonb_set(content, '{playersContainer,players}'::text[], content->'playersContainer'->'id'->'players' #- '{1}'::jsonb