most assists by a rangers player time before having 300 games played as a ranger

Brian Leetch made the most assists for the Rangers when playing >0 games and playing 300+ games, with 741 assists.

Interpreted as:

most assists by a rangers player time before having 300 or more games played as a ranger

	NAME	A	GP	G	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA	TOI/GP
1	Brian Leetch B. Leetch	741	1,129	240	981	+24	525	106	408	8	13	37	7	3,469	6.9	0	0		356	549	271	362	27:02
2	Rod Gilbert R. Gilbert	615	1,065	406	1,021	+38	510	108	215	0	0	52		3,142	12.9
3	Jean Ratelle J. Ratelle	481	861	336	817	+108	192	82	141	2	0	46		2,045	16.4
4	Andy Bathgate A. Bathgate	457	719	272	729	-28	444	59	162	6	3	23		1,384	9.7
5	Walt Tkaczuk W. Tkaczuk	451	945	227	678	+184	556	41	73	11	18	23		2,156	10.5
6	Mark Messier M. Messier	441	698	250	691	+74	667	72	160	23	28	41	3	1,658	15.1	2,824	5,187	54.4	145	112	118	241	18:12
7	Ron Greschner R. Greschner	431	981	179	610	-84	1,226	51	171	6	5	18	0	1,877	9.5
8	James Patrick J. Patrick	363	671	104	467	+66	541	50	187	2	10	8	0	1,254	8.3
9	Steve Vickers S. Vickers	340	698	246	586	+57	330	69	99	1	1	35		1,278	19.2
10	Artemi Panarin A. Panarin	332	378	164	496	+89	110	42	129	0	1	20	3	1,092	15.0	9	37	24.3	113	71	208	378	19:51
11	Mika Zibanejad M. Zibanejad	312	595	236	548	+41	181	103	98	11	15	35	8	1,699	13.9	5,214	10,427	50.0	569	418	415	448	19:34
12	Vic Hadfield V. Hadfield	310	841	262	572	+16	1,041	83	82	0	0	40		2,414	10.9
13	Don Maloney D. Maloney	307	653	195	502	+38	739	50	65	14	7	27	0	1,046	18.6
14	Brad Park B. Park	283	465	95	378	+178	738	34	101	3	5	14		1,320	7.2
15	Adam Fox A. Fox	279	385	54	333	+111	158	10	132	3	6	18	3	722	7.5	0	1	0.0	178	605	326	289	23:04
16	Harry Howell H. Howell	263	1,160	82	345	-77	1,147	12	78	1	4	12		1,701	3.4
17	Frank Boucher F. Boucher	262	533	152	414		106	8	19	1	0	24	5
18	Chris Kreider C. Kreider	249	840	314	563	+125	567	114	63	11	3	48	3	2,078	15.1	316	738	42.8	1,547	345	261	451	16:58
19	Mats Zuccarello M. Zuccarello	239	509	113	352	+37	215	21	77	1	1	21	4	1,067	10.6	69	198	34.8	619	350	362	275	17:46
20	Jim Neilson J. Neilson	238	811	60	298	+32	763	15	62	1	3	11		1,826	3.3
21	Dean Prentice D. Prentice	236	666	186	422	+1	266	36	34	2	3	25		791	11.0
22	Phil Watson P. Watson	233	547	128	361		491	16	24	6	7	20	1
23	Derek Stepan D. Stepan	232	515	128	360	+109	130	28	68	7	9	25	2	1,198	10.7	3,568	7,932	45.0	402	255	333	227	18:16
24	Phil Goyette P. Goyette	231	396	98	329	+18	49	23	70	0	0	17		911	10.8
25	Adam Graves A. Graves	227	772	280	507	+6	810	100	65	16	11	36	5	2,309	12.1	79	149	53.0	352	50	75	50	17:12