lowest win/loss record by a player in a career while also playing 12+ seasons

Doug West had the worst record when playing 12+ seasons, with a record of 195-481.

	NAME	REC	SEAS	W%	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Doug West D. West	195-481	12	.288	676	24.6	9.6	2.5	1.9	0.7	0.3	3.9	8.1	48.1	0.1	0.3	19.1	1.7	2.2	80.1	52.9	0.8	1.7	1.2	16,649	6,477	1,670	1,292	459	189	823	1,862	-290
2	Shareef Abdur-Rahim S. Abdur-Rahim	275-555	12	.331	830	34.8	18.1	7.5	2.5	1.0	0.8	6.5	13.9	47.2	0.2	0.6	29.7	4.8	6.0	81.0	54.9	2.3	5.3	2.6	28,882	15,028	6,239	2,109	820	638	2,136	2,324	-2904
3	Eric Piatkowski E. Piatkowski	283-506	14	.359	789	18.5	7.5	2.2	1.0	0.5	0.1	2.6	6.0	43.4	1.1	2.7	39.9	1.2	1.5	83.9	56.7	0.6	1.5	0.8	14,613	5,919	1,716	778	404	115	628	1,152	-928
4	Nick Young N. Young	262-458	12	.364	720	22.8	11.4	2.0	1.0	0.5	0.2	4.0	9.6	41.8	1.4	3.8	37.6	1.9	2.3	83.6	53.6	0.4	1.6	1.0	16,419	8,194	1,427	687	394	135	711	1,316	-1457
5	Adonal Foyle A. Foyle	267-466	12	.364	733	17.8	4.1	4.7	0.5	0.4	1.6	1.8	3.8	47.7	0.0	0.0	0.0	0.5	1.0	49.9	48.6	1.8	2.9	0.8	13,060	2,989	3,461	344	264	1,193	597	1,575	-1232
6	Benoit Benjamin B. Benjamin	296-511	15	.367	807	27.2	11.4	7.5	1.3	0.6	2.0	4.4	9.0	49.7	0.0	0.0	4.8	2.5	3.5	72.1	54.4	1.8	5.7	2.3	21,911	9,223	6,063	1,070	522	1,581	1,847	2,292	+4
7	Wayne Ellington W. Ellington	286-484	13	.371	770	20.9	8.0	2.1	1.1	0.5	0.1	2.9	7.1	41.0	1.6	4.1	38.2	0.7	0.8	84.3	54.2	0.3	1.8	0.7	16,100	6,190	1,643	852	412	66	508	884	-827
8	Rory Sparrow R. Sparrow	311-525	12	.372	836	27.0	9.0	2.1	5.0	1.0	0.1	3.9	8.4	46.6	0.1	0.5	26.0	1.1	1.4	79.7	50.2	0.5	1.6	1.8	22,550	7,557	1,755	4,192	828	103	1,534	1,915
9	Ricky Davis R. Davis	275-461	12	.374	736	29.8	13.5	3.5	3.3	1.0	0.3	5.1	11.4	44.6	0.8	2.2	36.1	2.5	3.2	78.1	52.5	0.8	2.7	2.2	21,927	9,912	2,550	2,426	732	187	1,606	1,430	-2347
10	Bimbo Coles B. Coles	320-532	14	.376	852	23.8	7.8	2.1	3.9	0.9	0.2	3.0	7.0	42.5	0.3	1.1	26.7	1.5	1.8	81.1	49.6	0.6	1.6	1.5	20,319	6,628	1,820	3,313	735	134	1,267	1,824	-1282
11	Lester Conner L. Conner	260-427	12	.378	687	21.8	6.3	2.7	3.9	1.6	0.1	2.4	5.3	45.3	0.0	0.2	20.2	1.5	2.0	75.3	51.3	0.9	1.8	1.3	14,970	4,337	1,861	2,669	1,085	64	914	1,036
12	Brevin Knight B. Knight	276-453	12	.379	729	24.9	7.3	2.4	6.1	1.7	0.1	2.8	6.7	41.2	0.0	0.2	13.4	1.8	2.2	78.9	47.6	0.4	2.1	1.9	18,176	5,342	1,785	4,481	1,229	87	1,367	1,856	-1087
13	Clarence Weatherspoon C. Weatherspoon	351-564	13	.384	915	30.3	11.5	7.5	1.5	1.0	0.9	4.4	9.3	47.1	0.0	0.1	19.6	2.6	3.6	74.3	52.6	2.3	5.2	1.6	27,736	10,483	6,846	1,346	880	794	1,430	2,028	-1118
14	Tom Van Arsdale T. Van Arsdale	358-571	12	.385	929	30.9	15.3	4.2	2.2	0.7	0.1	5.9	13.7	43.1				3.5	4.5	76.2	48.7	0.8	2.5		28,682	14,232	3,942	2,085	230	16		2,922
15	Corey Maggette C. Maggette	319-508	14	.386	827	28.2	16.0	4.9	2.1	0.7	0.2	4.9	10.8	45.3	0.6	1.7	32.4	5.6	6.8	82.2	57.7	1.1	3.8	2.3	23,358	13,198	4,022	1,696	590	139	1,874	2,338	-1542
16	Rex Chapman R. Chapman	260-406	12	.390	666	29.3	14.6	2.5	2.7	0.9	0.2	5.6	13.0	43.0	1.2	3.5	35.0	2.2	2.8	80.0	51.4	0.6	1.9	1.5	19,542	9,731	1,645	1,798	592	129	1,030	1,228	+354
17	Sherman Douglas S. Douglas	299-466	12	.391	765	27.6	11.0	2.2	5.9	1.0	0.1	4.4	9.0	48.4	0.2	0.8	26.7	2.1	3.1	67.8	53.2	0.7	1.5	2.3	21,148	8,425	1,672	4,536	785	76	1,761	1,615	-388
18	Don Kojis D. Kojis	320-492	12	.393	814	23.6	12.2	5.6	1.4	0.9	0.2	4.8	10.9	44.6				2.5	3.5	72.0	49.2	1.4	2.9		19,241	9,948	4,555	1,112	89	16		1,937
19	Tony Massenburg T. Massenburg	270-413	13	.395	683	18.0	6.2	4.3	0.4	0.4	0.5	2.4	5.1	47.0	0.0	0.0	9.1	1.4	2.0	70.5	51.9	1.5	2.8	1.0	12,291	4,238	2,964	266	261	322	685	1,607	-1398
20	Johnny Green J. Green	418-640	14	.395	1,057	23.3	11.6	8.6	1.4			4.7	9.5	49.3				2.2	4.0	55.3	51.4				24,617	12,281	9,089	1,445				2,855
21	Reggie Theus R. Theus	407-619	13	.397	1,026	33.7	18.5	3.3	6.3	1.2	0.2	6.9	14.6	47.1	0.3	1.0	25.2	4.5	5.5	82.6	54.5	1.2	2.1	3.4	34,603	19,015	3,349	6,453	1,206	236	3,493	3,008
22	Alex Len A. Len	276-414	12	.400	690	17.0	6.7	5.3	0.9	0.4	0.9	2.6	5.1	51.0	0.2	0.5	32.2	1.4	2.0	67.8	56.2	1.7	3.5	1.1	11,754	4,608	3,624	589	248	615	738	1,615	-1459
23	Sean Rooks S. Rooks	300-449	12	.401	749	18.1	6.2	3.8	0.8	0.3	0.7	2.3	5.0	45.9	0.0	0.0	9.1	1.7	2.4	69.9	51.8	1.3	2.6	1.1	13,560	4,676	2,877	631	255	499	804	1,657	-386
24	Darrick Martin D. Martin	206-308	13	.401	514	17.8	6.9	1.1	2.9	0.7	0.0	2.3	6.0	38.2	0.7	2.0	34.0	1.6	1.9	84.3	50.0	0.2	0.9	1.2	9,165	3,525	588	1,475	340	22	631	894	-386
25	Lorenzen Wright L. Wright	312-466	13	.401	778	23.8	8.0	6.4	0.8	0.6	0.7	3.3	7.2	45.9	0.0	0.0	6.9	1.4	2.1	64.5	49.1	2.2	4.2	1.1	18,535	6,191	4,943	622	471	572	877	2,276	-1365