Dudley Bradley has gotten the most steals per game by a rookie with 50+ games played, with 2.6 per game in 1979-80.

most spg by a rookie in a season with 50+ gp

NAME	GP	SPG	SEASON	TM	MPG	PPG	RPG	APG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Dudley Bradley	82	2.6	1979-80	IND	24.7	8.4	2.7	3.1	0.6	2.0	3.4	7.4	45.2	0.0	0.1	40.0	1.7	2.1	78.2	2,027	688	223	252	211	48	166	194
Ron Harper	82	2.5	1986-87	CLE	37.4	22.9	4.8	4.8	1.0	4.2	9.0	19.7	45.5	0.2	1.1	21.3	4.7	6.9	68.4	3,064	1,874	392	394	209	84	345	247
Mark Jackson	82	2.5	1987-88	NYK	39.6	13.6	4.8	10.6	0.1	3.1	5.3	12.4	43.2	0.4	1.5	25.4	2.5	3.2	77.4	3,249	1,114	396	868	205	6	258	244
Brevin Knight	80	2.5	1997-98	CLE	31.0	9.0	3.2	8.2	0.2	2.4	3.3	7.4	44.1	0.0	0.1	0.0	2.5	3.1	80.1	2,483	723	253	656	196	18	194	271	+298
Quinn Buckner	79	2.4	1976-77	MIL	26.5	8.6	3.3	4.7	0.3		3.8	8.7	43.4				1.1	1.9	53.9	2,095	681	264	372	192	21		291
Magic Johnson	77	2.4	1979-80	LAL	36.3	18.0	7.7	7.3	0.5	4.0	6.5	12.3	53.0	0.1	0.4	22.6	4.9	6.0	81.0	2,795	1,387	596	563	187	41	305	218
Michael Jordan	82	2.4	1984-85	CHI	38.3	28.2	6.5	5.9	0.8	3.5	10.2	19.8	51.5	0.1	0.6	17.3	7.7	9.1	84.5	3,144	2,313	534	481	196	69	291	285
Anfernee Hardaway	82	2.3	1993-94	ORL	36.8	16.0	5.4	6.6	0.6	3.6	6.2	13.3	46.6	0.6	2.3	26.7	3.0	4.0	74.2	3,015	1,313	439	544	190	51	292	205
Chris Paul	78	2.2	2005-06	NOK	36.0	16.1	5.1	7.8	0.1	2.3	5.2	12.1	43.0	0.6	2.3	28.2	5.1	6.0	84.7	2,808	1,258	400	611	175	6	183	218	-181
Phil Ford	79	2.2	1978-79	KCK	34.5	15.9	2.3	8.6	0.1	4.1	5.9	12.7	46.5				4.1	5.1	81.3	2,723	1,260	182	681	174	6	323	245
Maurice Cheeks	82	2.1	1978-79	PHI	29.4	8.4	3.1	5.3	0.1	2.4	3.6	7.0	51.0				1.2	1.7	72.1	2,409	685	254	431	174	12	193	198
Tim Hardaway	79	2.1	1989-90	GSW	33.7	14.7	3.9	8.7	0.2	3.3	5.9	12.5	47.1	0.3	1.1	27.4	2.7	3.5	76.4	2,663	1,162	310	689	165	12	260	232
Isiah Thomas	72	2.1	1981-82	DET	33.8	17.0	2.9	7.8	0.2	4.2	6.3	14.8	42.4	0.2	0.8	28.8	4.2	6.0	70.4	2,433	1,225	209	565	150	17	299	253
Allen Iverson	76	2.1	1996-97	PHI	40.1	23.5	4.1	7.5	0.3	4.4	8.2	19.8	41.6	2.0	6.0	34.1	5.0	7.2	70.2	3,045	1,787	312	567	157	24	337	233	-439
Eddie Jones	64	2.0	1994-95	LAL	31.0	14.0	3.9	2.0	0.6	1.2	5.3	11.6	46.0	1.4	3.8	37.0	1.9	2.6	72.2	1,981	897	249	128	131	41	75	175
Gary Grant	71	2.0	1988-89	LAC	27.1	11.9	3.4	7.1	0.1	3.6	5.1	11.7	43.5	0.1	0.3	22.7	1.7	2.3	73.5	1,924	846	238	506	144	9	258	170
Mark Macon	76	2.0	1991-92	DEN	30.3	10.6	2.9	2.2	0.2	2.0	4.4	11.7	37.5	0.1	0.4	13.3	1.8	2.4	73.0	2,304	805	220	168	154	14	155	242
Gary Payton	82	2.0	1990-91	SEA	27.4	7.2	3.0	6.4	0.2	2.2	3.2	7.0	45.0	0.0	0.2	7.7	0.8	1.2	71.1	2,244	588	243	528	165	15	180	249
Mario Chalmers	82	2.0	2008-09	MIA	32.0	10.0	2.8	4.9	0.1	2.0	3.4	8.1	42.0	1.4	3.8	36.7	1.8	2.4	76.7	2,626	818	228	403	160	8	165	240	+30
Kerry Kittles	82	1.9	1996-97	NJN	36.7	16.4	3.9	3.0	0.4	1.5	6.2	14.5	42.6	1.9	5.1	37.7	2.1	2.8	77.1	3,012	1,347	319	249	157	35	127	165	-266
Jason Kidd	79	1.9	1994-95	DAL	33.8	11.7	5.4	7.7	0.3	3.2	4.2	10.8	38.5	0.9	3.3	27.2	2.4	3.5	69.8	2,668	922	430	607	151	24	250	146
Ron Lee	82	1.9	1976-77	PHX	22.5	10.2	3.6	3.2	0.4		4.2	9.6	44.1				1.7	2.6	67.6	1,849	836	299	263	156	33		276
Stephen Curry	80	1.9	2009-10	GSW	36.2	17.5	4.5	5.9	0.2	3.0	6.6	14.3	46.2	2.1	4.8	43.7	2.2	2.5	88.5	2,896	1,399	356	472	152	19	243	252	-186
Jason Williams	50	1.9	1998-99	SAC	36.1	12.8	3.1	6.0	0.0	2.9	4.6	12.3	37.4	2.0	6.5	31.0	1.6	2.1	75.2	1,805	641	153	299	95	1	143	91	-44
Fat Lever	81	1.9	1982-83	POR	24.9	7.8	2.8	5.3	0.2	1.7	3.2	7.3	43.1	0.1	0.2	33.3	1.4	2.0	73.0	2,020	633	225	426	153	15	137	179