what are the best effiency rating by a player before age 24

Irvin Cardona has the highest career rating by a player younger than 24 in Europe's top five leagues, with a rating of 8.9 in Ligue 1.

	NAME	Rating	M	MIN	START	G	G/M	A	G+A	PK	FK	SH	SOT	WOOD	TCH	TCH-BOX	OFF
1	Irvin Cardona I. Cardona	8.9	1	64	1	1	1.00	0	1	0	0	2	2	0	28	1	0
2	Matt O'Riley M. O'Riley	8.3	1	33	0	1	1.00	0	1	0	0	1	1	0	13	2	0
3	Lorran	8.2	1	10	0	1	1.00	0	1	0	0	1	1	0	13	1	0
4	Tjark Ernst T. Ernst	8.1	1	90	1	0	0.00	0	0	0	0	0	0	0	47	0	0
5	Ante Palaversa A. Palaversa	7.90	2	29	0	1	0.50	0	1	0	0	1	1	0	21	1	0
6	Ghjuvanni Quilichini G. Quilichini	7.9	1	81	0	0	0.00	0	0	0	0	0	0	0	40	0	0
7	Pedri	7.83	109	8,097	93	19	0.17	10	29	0	0	85	40	3	8,246	193	7
8	João Neves J. Neves	7.78	36	2,317	27	8	0.22	8	16	0	0	41	17	0	2,422	73	3
9	Kristoffer Klaesson K. Klaesson	7.8	1	35	0	0	0.00	0	0	0	0	0	0	0	16	0	0
10	Aleksandar Pavlovic A. Pavlovic	7.75	49	3,147	36	4	0.08	3	7	0	0	19	8	0	3,376	28	0
11	Jules Koundé J. Koundé	7.74	39	3,310	38	2	0.05	3	5	0	0	18	3	0	3,056	65	2
12	Chaka Traorè C. Traorè	7.68	2	18	0	1	0.50	0	1	0	0	1	1	0	17	1	0
13	Joaquin Blazquez J. Blazquez	7.7	1	90	1	0	0.00	0	0	0	0	0	0	0	36	0	0
14	Matěj Kovář M. Kovář	7.7	1	90	1	0	0.00	0	0	0	0	0	0	0	21	0	0
15	Álvaro Aceves Á. Aceves	7.6	1	12	0	0	0.00	0	0	0	0	0	0	0	11	0	0
16	Zanos Savva Z. Savva	7.61	2	26	0	1	0.50	0	1	0	0	1	1	0	17	1	0
17	Declan Rice D. Rice	7.59	54	4,798	53	2	0.04	5	7	0	0	48	13	2	3,992	64	0
18	Soriba Diaoune S. Diaoune	7.6	1	1	0	0	0.00	1	1	0	0	1	0	1	6	3	0
19	Arda Güler A. Güler	7.58	51	2,477	29	12	0.24	9	21	0	0	77	32	1	2,142	107	6
20	Trent Alexander-Arnold T. Alexander-Arnold	7.57	39	3,428	39	3	0.08	12	15	0	1	62	17	1	3,764	96	13
21	Phil Foden P. Foden	7.53	95	6,845	79	39	0.41	19	58	0	2	208	92	6	5,086	485	24
22	Ernest Poku E. Poku	7.53	10	564	6	4	0.40	2	6	0	0	10	5	1	282	31	1
23	Matheus Nunes M. Nunes	7.5	1	90	1	0	0.00	0	0	0	0	4	0	0	44	3	0
24	Marcus Rashford M. Rashford	7.51	3	106	1	2	0.67	0	2	0	0	5	3	0	60	9	2
25	Alphonso Davies A. Davies	7.51	84	6,423	74	3	0.04	13	16	0	0	56	19	1	6,380	268	7