[{_id:1,clanName:"2222",clanTag:"ddddd",players:[{name:"xxxx",tag:"cccc",fameTotals:[{fame:0,clanTrophies:0,date:""}]}]}]

db.collection.update({_id:1},{$push:{players:{name:"yyy",tag:"bbbb",fameTotals:[{fame:1,clanTrophies:1,date:"27-7-21"}]}}})