Oscar Robertson has grabbed the most career rebounds per game by a point guard, with 7.5 per game.

who has the most rebounds per game average from a point guard all-time

Interpreted as:

Who has the most rebounds per game with a minimum of 400 games played average from a point guard all-time?

NAME	GP	RPG	MPG	PPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Oscar Robertson	1,040	7.5	42.2	25.7	9.5	1.1	0.1		9.1	18.9	48.5				7.4	8.8	83.8	43,886	26,710	7,804	9,887	77	4		2,931
Magic Johnson	874	7.3	36.9	19.7	11.4	1.9	0.4	3.9	6.9	13.3	52.1	0.3	1.2	29.8	5.5	6.5	84.8	32,287	17,239	6,376	9,921	1,698	361	3,403	2,002
Russell Westbrook	1,162	7.1	33.6	21.7	8.1	1.6	0.3	3.9	7.8	17.8	43.8	1.1	3.6	30.4	5.0	6.5	77.6	39,080	25,211	8,307	9,468	1,849	369	4,587	2,969	+3061
Jason Kidd	1,315	6.4	36.6	13.0	9.0	1.9	0.3	3.0	4.6	11.5	40.1	1.4	4.1	34.9	2.3	3.0	78.4	48,068	17,071	8,402	11,842	2,559	425	3,927	2,447	+3681
Walt Frazier	825	5.9	37.5	18.9	6.1	1.9	0.2	2.1	7.4	15.2	49.0	0.0	0.3	0.0	4.0	5.1	78.6	30,965	15,581	4,830	5,040	681	63	139	2,180
Dejounte Murray	472	5.8	29.1	15.4	5.3	1.4	0.3	2.0	6.2	13.5	45.8	1.2	3.4	34.5	1.9	2.4	78.7	13,733	7,261	2,725	2,490	678	128	955	840	-117
Steve Francis	532	5.7	38.3	18.7	6.2	1.5	0.4	3.6	6.4	14.9	42.9	1.0	3.0	33.9	4.9	6.2	79.5	20,395	9,949	3,058	3,303	805	211	1,930	1,687	+70
Jerry West	657	5.4	39.5	27.5	7.1	2.6	0.7		10.0	20.9	47.7				7.6	9.4	81.1	25,967	18,092	3,517	4,668	81	23		1,667
Bob Cousy	924	5.2	35.3	18.4	7.5				6.7	17.8	37.5				5.0	6.2	80.3	30,165	16,960	4,786	6,955				2,242
Darrell Walker	513	4.8	27.5	9.2	5.2	1.6	0.3	2.2	3.6	8.3	43.0	0.0	0.2	7.3	2.0	2.8	70.7	14,100	4,704	2,442	2,689	845	160	1,126	1,359
Stephen Curry	956	4.7	34.2	24.8	6.4	1.5	0.2	3.1	8.5	17.9	47.3	3.9	9.2	42.6	3.9	4.3	91.0	32,724	23,668	4,509	6,119	1,473	235	2,987	2,215	+5878
Fat Lever	485	4.7	29.3	11.7	5.9	2.1	0.3	1.9	4.8	10.9	44.2	0.2	0.5	28.7	1.9	2.5	75.6	14,206	5,659	2,286	2,862	1,028	140	930	1,161
Lenny Wilkens	1,077	4.7	35.3	16.5	6.7	1.3	0.2		5.7	13.3	43.2				5.0	6.5	77.4	38,064	17,772	5,030	7,211	174	26		3,285
Rajon Rondo	957	4.5	29.9	9.8	7.9	1.6	0.1	2.7	4.1	8.9	45.6	0.5	1.4	32.4	1.2	1.9	61.1	28,570	9,337	4,349	7,584	1,518	125	2,586	1,997	+1331
Chris Paul	1,272	4.5	34.1	17.5	9.4	2.1	0.2	2.3	6.2	13.2	47.1	1.4	3.7	36.9	3.8	4.3	87.0	43,316	22,288	5,682	11,894	2,614	200	2,964	3,034	+6112
Norm Van Lier	583	4.5	34.2	11.5	6.7	1.8	0.2	2.1	4.3	10.5	41.4				2.8	3.6	77.6	19,952	6,685	2,604	3,885	767	71	249	1,989
Andy Phillip	544	4.4	32.2	8.4	5.5				3.0	7.8	37.8				2.5	3.5	70.3	15,378	4,562	2,395	2,989				1,435
Kyle Lowry	1,138	4.3	31.7	14.3	6.2	1.3	0.3	2.3	4.6	10.8	42.4	1.9	5.2	36.8	3.2	3.9	81.5	36,021	16,218	4,894	7,003	1,466	340	2,607	3,099	+2906
Guy Rodgers	892	4.3	32.1	11.7	7.8				4.6	12.2	37.8				2.4	3.4	72.1	28,663	10,415	3,791	6,917				2,630
Damian Lillard	842	4.2	36.2	25.1	6.7	1.0	0.3	2.8	8.1	18.5	43.8	3.1	8.4	37.1	5.8	6.5	89.7	30,520	21,151	3,573	5,659	804	257	2,379	1,611	+2364
Nate McMillan	700	4.2	26.8	6.2	6.4	2.0	0.5	1.9	2.4	5.4	44.6	0.4	1.1	33.8	1.0	1.6	65.3	18,749	4,333	2,931	4,467	1,426	332	1,352	2,156	+219
John Wall	647	4.2	34.9	18.7	8.9	1.6	0.7	3.7	6.8	15.7	43.0	1.0	3.1	32.2	4.2	5.4	77.6	22,588	12,088	2,704	5,735	1,045	439	2,412	1,394	-125
Dick McGuire	670	4.2	28.3	8.0	5.7				2.8	7.0	39.6				2.4	3.8	64.2	17,170	5,337	2,784	3,819				1,535
Patrick Beverley	610	4.2	26.1	8.1	3.4	1.0	0.5	1.2	2.8	6.9	41.3	1.4	3.9	37.2	1.0	1.3	75.4	15,938	4,947	2,533	2,094	631	320	726	1,773	+1256
Mookie Blaylock	889	4.1	34.9	13.5	6.7	2.3	0.3	2.3	5.3	12.9	40.9	1.4	4.3	33.6	1.4	1.9	73.6	31,026	11,962	3,659	5,972	2,075	300	2,067	1,687	+347