Tracy McGrady was the youngest in 1997-98. He was 18 years old in his rookie season.

who was the youngest player in 1997 / 98 season'

NAME	AGE	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Tracy McGrady	18	1997-98	TOR	64	18.4	7.0	4.2	1.5	0.8	1.0	1.0	2.8	6.2	45.0	0.2	0.6	34.1	1.2	1.7	71.2	1,179	451	269	98	49	61	66	86	-229
Kobe Bryant	19	1997-98	LAL	79	26.0	15.4	3.1	2.5	0.9	0.5	2.0	4.9	11.6	42.8	0.9	2.8	34.1	4.6	5.8	79.4	2,056	1,220	242	199	74	40	157	180	+264
Jermaine O'Neal	19	1997-98	POR	60	13.5	4.5	3.4	0.3	0.3	1.0	0.9	1.9	3.9	48.5	0.0	0.0	0.0	0.8	1.5	50.6	808	269	201	17	15	58	55	101	+14
Stephon Marbury	20	1997-98	MIN	82	38.0	17.7	2.8	8.6	1.3	0.1	3.1	6.3	15.1	41.5	1.2	3.7	31.3	4.0	5.5	73.1	3,112	1,450	230	704	104	7	256	222	+23
Marko Milic	20	1997-98	PHX	33	4.9	2.8	0.8	0.4	0.3	0.0	0.6	1.2	1.9	60.9	0.1	0.2	50.0	0.3	0.5	64.7	163	92	25	12	10	0	21	17	+24
Tim Thomas	20	1997-98	PHI	77	23.1	11.0	3.7	1.2	0.7	0.2	1.5	4.0	8.9	44.7	0.8	2.2	36.3	2.2	3.0	74.0	1,779	845	288	90	54	17	118	185	-103
Shareef Abdur-Rahim	21	1997-98	VAN	82	36.0	22.3	7.1	2.6	1.1	0.9	3.1	8.0	16.4	48.5	0.3	0.6	41.2	6.1	7.8	78.4	2,950	1,829	581	213	89	76	257	201	-433
Tony Battie	21	1997-98	DEN	65	23.2	8.4	5.4	0.9	0.8	1.1	1.5	3.6	8.1	44.6	0.0	0.2	21.4	1.1	1.6	70.2	1,506	544	351	60	54	69	98	199	-478
Chauncey Billups	21	1997-98	TOT	80	27.7	11.2	2.4	3.9	1.3	0.1	2.2	3.5	9.4	37.4	1.3	4.1	32.9	2.8	3.3	85.0	2,216	893	190	314	107	4	174	172	-449
Keith Closs	21	1997-98	LAC	58	12.8	4.0	2.9	0.3	0.2	1.4	0.7	1.6	3.6	44.9	0.0	0.0		0.8	1.3	59.7	740	232	168	19	12	81	38	73	-108
Tim Duncan	21	1997-98	SAS	82	39.1	21.1	11.9	2.7	0.7	2.5	3.4	8.6	15.7	54.9	0.0	0.1	0.0	3.9	5.9	66.2	3,204	1,731	977	224	55	206	279	254	+429
Danny Fortson	21	1997-98	DEN	80	22.6	10.2	5.6	1.0	0.6	0.4	2.0	3.5	7.6	45.2	0.0	0.0	33.3	3.3	4.2	77.6	1,811	816	448	76	44	30	157	314	-409
Kevin Garnett	21	1997-98	MIN	82	39.3	18.5	9.6	4.2	1.7	1.8	2.3	7.7	15.8	49.1	0.0	0.2	18.8	3.0	4.0	73.8	3,222	1,518	786	348	139	150	192	224	+152
Troy Hudson	21	1997-98	UTA	8	2.9	1.5	0.3	0.5	0.3	0.0	0.1	0.8	1.8	42.9	0.0	0.4	0.0	0.0	0.0		23	12	2	4	2	0	1	1	-4
Ron Mercer	21	1997-98	BOS	80	33.3	15.3	3.5	2.2	1.6	0.2	1.7	6.4	14.3	45.0	0.0	0.4	10.7	2.4	2.8	83.9	2,662	1,221	280	176	125	17	132	213	-101
God Shammgod	21	1997-98	WAS	20	7.3	3.1	0.4	1.8	0.4	0.1	1.1	1.0	2.9	32.8	0.0	0.1	0.0	1.2	1.5	76.7	146	61	7	36	7	1	21	27	-10
Maurice Taylor	21	1997-98	LAC	71	21.3	11.5	4.2	0.7	0.5	0.6	1.5	4.5	9.5	47.6	0.0	0.0	0.0	2.4	3.4	70.9	1,513	815	296	53	34	40	107	222	-257
Antoine Walker	21	1997-98	BOS	82	39.9	22.4	10.2	3.3	1.7	0.7	3.6	8.8	20.8	42.3	1.1	3.6	31.2	3.7	5.8	64.5	3,268	1,840	836	273	142	60	292	262	-267
Samaki Walker	21	1997-98	DAL	41	25.0	8.9	7.4	0.6	0.7	1.0	1.5	3.8	7.8	48.6	0.0	0.0	0.0	1.3	2.4	54.6	1,027	365	302	24	30	40	61	127	-213
Ray Allen	22	1997-98	MIL	82	40.1	19.5	4.9	4.3	1.4	0.1	3.2	6.9	16.0	42.8	1.6	4.5	36.4	4.2	4.8	87.5	3,287	1,602	405	356	111	12	263	244	-71
James Cotton	22	1997-98	SEA	9	3.7	2.7	0.7	0.0	0.1	0.1	0.7	0.9	2.3	38.1	0.0	0.4	0.0	0.9	1.0	88.9	33	24	6	0	1	1	6	3	-31
Chris Crawford	22	1997-98	ATL	40	6.4	3.8	1.0	0.2	0.3	0.2	0.5	1.2	2.8	41.8	0.0	0.1	33.3	1.4	1.7	83.8	256	150	41	9	12	7	18	27	-53
Austin Croshere	22	1997-98	IND	26	9.3	2.9	1.7	0.3	0.3	0.2	0.5	1.2	3.3	37.2	0.2	0.5	30.8	0.3	0.5	57.1	243	76	45	8	9	5	13	32	-10
Erick Dampier	22	1997-98	GSW	82	32.4	11.8	8.7	1.1	0.5	1.7	2.1	4.3	9.6	44.5	0.0	0.0	0.0	3.3	4.9	66.9	2,656	971	715	94	39	139	175	281	-502
Antonio Daniels	22	1997-98	VAN	74	26.4	7.8	1.9	4.5	0.7	0.1	2.2	3.1	7.4	41.6	0.1	0.7	21.2	1.5	2.3	65.9	1,956	579	143	334	55	10	164	88	-498