Manute Bol has averaged the most blocks per game by a rookie with 5.0 per game in 1985-86.

most blocks per game by a rookie nba season

Interpreted as:

most blocks per game with a minimum of 57.4 games played per 82 team games by a rookie NBA season

NAME	BPG	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Manute Bol	5.0	1985-86	WAS	80	26.1	3.7	6.0	0.3	0.4	0.8	1.6	3.5	46.0	0.0	0.0	0.0	0.5	1.1	48.8	2,090	298	477	23	28	397	65	255
David Robinson	3.9	1989-90	SAS	82	36.6	24.3	12.0	2.0	1.7	3.1	8.4	15.9	53.1	0.0	0.0	0.0	7.5	10.2	73.2	3,002	1,993	983	164	138	319	257	259
Victor Wembanyama	3.6	2023-24	SAS	71	29.7	21.4	10.6	3.9	1.2	3.7	7.8	16.7	46.5	1.8	5.5	32.5	4.1	5.2	79.6	2,106	1,522	755	274	88	254	260	153	-142
Shaquille O'Neal	3.5	1992-93	ORL	81	37.9	23.4	13.9	1.9	0.7	3.8	9.0	16.1	56.2	0.0	0.0	0.0	5.3	8.9	59.2	3,071	1,893	1,122	152	60	286	307	321
Alonzo Mourning	3.5	1992-93	CHA	78	33.9	21.0	10.3	1.0	0.3	3.0	7.3	14.3	51.1	0.0	0.0	0.0	6.3	8.1	78.1	2,644	1,639	805	76	27	271	236	286
Mark Eaton	3.4	1982-83	UTA	81	18.9	4.3	5.7	1.4	0.3	1.7	1.8	4.4	41.4	0.0	0.0	0.0	0.7	1.1	65.6	1,528	351	462	112	24	275	140	257
Dikembe Mutombo	3.0	1991-92	DEN	71	38.3	16.6	12.3	2.2	0.6	3.5	6.0	12.2	49.3	0.0	0.0		4.5	7.0	64.2	2,716	1,177	870	156	43	210	252	273
Tree Rollins	2.7	1977-78	ATL	80	22.4	7.6	6.9	1.0	0.7	1.5	3.2	6.5	48.7				1.3	1.9	70.3	1,795	610	552	79	57	218	121	326
Hakeem Olajuwon	2.7	1984-85	HOU	82	35.5	20.6	11.9	1.4	1.2	2.9	8.3	15.3	53.8	0.0	0.0		4.1	6.7	61.3	2,914	1,692	974	111	99	220	234	344
Sam Bowie	2.7	1984-85	POR	76	29.2	10.0	8.6	2.8	0.7	2.3	3.9	7.3	53.7	0.0	0.0		2.1	3.0	71.1	2,216	758	656	215	55	203	172	278
Benoit Benjamin	2.6	1985-86	LAC	79	26.4	11.1	7.6	1.0	0.8	1.8	4.1	8.4	49.0	0.0	0.0	33.3	2.9	3.9	74.6	2,088	878	600	79	64	206	145	286
Tim Duncan	2.5	1997-98	SAS	82	39.1	21.1	11.9	2.7	0.7	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
Terry Tyler	2.5	1978-79	DET	82	31.2	12.9	7.9	1.1	1.3	1.7	5.6	11.5	48.2				1.8	2.7	65.8	2,560	1,056	648	89	104	201	141	254
Mitchell Robinson	2.4	2018-19	NYK	66	20.6	7.3	6.4	0.6	0.8	0.5	3.1	4.4	69.4	0.0	0.0		1.2	2.0	60.0	1,360	485	423	37	52	161	35	217	-203
Michael Stewart	2.4	1997-98	SAC	81	21.7	4.6	6.6	0.8	0.4	1.0	1.9	4.0	48.0	0.0	0.0		0.8	1.8	45.8	1,761	375	536	61	29	195	85	251	-151
Ralph Sampson	2.4	1983-84	HOU	82	32.8	21.0	11.1	2.0	0.9	3.6	8.7	16.7	52.3	0.0	0.0	25.0	3.5	5.3	66.1	2,693	1,720	913	163	70	197	294	339
Walker Kessler	2.3	2022-23	UTA	74	23.0	9.2	8.4	0.9	0.4	0.8	4.0	5.6	72.0	0.0	0.0	33.3	1.1	2.1	51.6	1,703	679	620	69	26	173	58	169	+72
Chet Holmgren	2.3	2023-24	OKC	82	29.4	16.5	7.9	2.4	0.6	1.6	6.2	11.6	53.0	1.6	4.3	37.0	2.7	3.4	79.3	2,413	1,357	648	200	53	190	131	197	+422
Herb Williams	2.2	1981-82	IND	82	27.8	11.5	7.4	1.7	0.6	1.7	5.0	10.4	47.7	0.0	0.1	28.6	1.5	2.3	67.0	2,277	942	605	139	53	178	137	200
Chris Webber	2.2	1993-94	GSW	76	32.1	17.5	9.1	3.6	1.2	2.7	7.5	13.6	55.2	0.0	0.2	0.0	2.5	4.7	53.2	2,438	1,333	694	272	93	164	206	247
Hot Rod Williams	2.1	1986-87	CLE	80	33.9	14.6	7.9	1.9	0.7	1.7	5.4	11.2	48.5	0.0	0.0	0.0	3.7	5.0	74.5	2,714	1,168	629	154	58	167	139	197
Marcus Camby	2.1	1996-97	TOR	63	30.1	14.8	6.3	1.5	1.0	2.1	6.0	12.3	48.2	0.0	0.2	14.3	2.9	4.2	69.3	1,897	935	394	97	66	130	134	214	-37
Pau Gasol	2.1	2001-02	MEM	82	36.7	17.6	8.9	2.7	0.5	2.7	6.7	13.0	51.8	0.0	0.1	20.0	4.1	5.8	70.9	3,007	1,441	730	223	41	169	224	195	-310
Roy Rogers	2.0	1996-97	VAN	82	22.5	6.6	4.7	0.6	0.3	1.0	3.0	5.9	50.5	0.0	0.0	100.0	0.7	1.1	57.4	1,848	543	386	46	21	163	86	214	-492
Duane Causwell	1.9	1990-91	SAC	76	22.6	6.9	5.1	0.9	0.6	1.3	2.8	5.4	50.8	0.0	0.0		1.4	2.2	63.6	1,719	525	391	69	49	148	96	225