what was the highest plus minus in a losing playoff series

Kevin Knox II and Chris Copeland are tied for the highest career plus/minus in losses in the playoffs, at +46.

Interpreted as:

What was the highest plus minus in a losing by a player playoff series?

	NAME	+/-	L	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	Kevin Knox II K. Knox II	+46	8	8	6.3	5.6	1.3	0.6	0.3	0.3	1.9	3.9	48.4	0.9	2.0	43.8	1.0	1.1	88.9	64.4	0.4	0.9	0.6	50	45	10	5	2	2	5	2
2	Chris Copeland C. Copeland	+46	10	10	9.1	4.8	0.6	0.1	0.2	0.3	1.6	3.5	45.7	1.2	2.5	48.0	0.4	0.7	57.1	63.0	0.1	0.5	0.2	91	48	6	1	2	3	2	10
3	Byron Scott B. Scott	+38	4	4	17.0	8.8	1.5	1.5	0.0	0.0	2.5	5.3	47.6	1.0	2.0	50.0	2.8	3.3	84.6	65.5	0.0	1.5	1.3	68	35	6	6	0	0	5	9
4	Davis Bertans D. Bertans	+31	27	27	14.8	4.3	1.9	0.6	0.5	0.1	1.3	3.7	36.4	1.0	3.0	32.1	0.7	0.9	78.3	53.2	0.2	1.7	0.3	399	116	52	15	13	4	8	47
5	Speedy Claxton S. Claxton	+30	11	11	11.7	3.8	1.6	1.8	0.9	0.0	1.2	3.4	35.1	0.0	0.1	0.0	1.5	1.7	84.2	46.3	0.5	1.1	0.9	129	42	18	20	10	0	10	13
6	Rodrigue Beaubois R. Beaubois	+24	5	5	7.6	3.6	1.4	1.0	0.0	0.0	1.6	3.4	47.1	0.2	0.8	25.0	0.2	0.6	33.3	49.1	0.4	1.0	0.8	38	18	7	5	0	0	4	6
7	Zan Tabak Z. Tabak	+24	5	5	7.8	2.2	2.8	0.0	0.0	0.4	0.6	1.6	37.5	0.0	0.0		1.0	1.2	83.3	51.7	1.0	1.8	0.0	39	11	14	0	0	2	0	6
8	Bol Bol B. Bol	+23	9	9	4.2	2.3	1.0	0.2	0.3	0.2	0.7	1.4	46.2	0.2	0.4	50.0	0.8	0.9	87.5	63.6	0.3	0.7	0.2	38	21	9	2	3	2	2	3
9	Tariq Abdul-Wahad T. Abdul-Wahad	+23	9	9	12.6	5.8	3.0	1.0	0.3	0.2	2.0	5.0	40.0	0.0	0.2	0.0	1.8	2.2	80.0	48.3	1.4	1.6	0.3	113	52	27	9	3	2	3	6
10	Steve Kerr S. Kerr	+23	22	22	12.4	3.1	0.5	1.1	0.3	0.0	1.0	2.7	38.3	0.5	1.5	31.3	0.5	0.6	92.3	51.7	0.2	0.3	0.2	272	68	12	24	7	1	5	24
11	Jaylen Adams J. Adams	+22	3	3	6.9	2.0	1.0	0.7	0.3	0.0	1.0	3.0	33.3	0.0	1.3	0.0	0.0	0.0		33.3	0.3	0.7	0.0	21	6	3	2	1	0	0	1
12	Shabazz Napier S. Napier	+21	9	9	12.2	6.9	1.4	1.9	0.7	0.0	2.2	4.6	48.8	0.9	2.2	40.0	1.6	2.0	77.8	63.4	0.3	1.1	0.7	110	62	13	17	6	0	6	8
13	Aaron Wiggins A. Wiggins	+20	8	8	14.4	4.5	2.5	0.8	0.3	0.4	1.8	4.3	41.2	0.5	2.3	22.2	0.5	0.5	100.0	50.3	0.8	1.8	0.5	115	36	20	6	2	3	4	7
14	Vlatko Čančar V. Čančar	+19	7	7	4.8	2.3	1.0	0.3	0.1	0.1	0.7	0.9	83.3	0.3	0.4	66.7	0.6	0.7	80.0	97.6	0.0	1.0	0.6	33	16	7	2	1	1	4	0
15	Furkan Korkmaz F. Korkmaz	+19	18	18	11.2	4.2	2.1	0.6	0.2	0.2	1.4	3.8	37.7	0.6	2.2	27.5	0.7	0.9	70.6	49.0	0.2	1.9	0.4	202	75	37	10	3	3	8	18
16	Juancho Hernangomez J. Hernangomez	+19	6	6	7.8	1.3	1.5	0.8	0.3	0.0	0.5	2.3	21.4	0.3	1.5	22.2	0.0	0.0		28.6	0.2	1.3	0.3	47	8	9	5	2	0	2	4
17	Theo Pinson T. Pinson	+19	3	3	7.3	3.0	1.0	1.0	0.7	0.0	1.0	2.7	37.5	1.0	2.3	42.9	0.0	0.0		56.3	0.0	1.0	0.3	22	9	3	3	2	0	1	0
18	Melvin Frazier Jr. M. Frazier Jr.	+18	3	3	4.9	1.7	1.3	0.0	0.3	0.0	0.7	1.7	40.0	0.0	0.0		0.3	0.7	50.0	42.5	0.3	1.0	0.0	15	5	4	0	1	0	0	0
19	Kobe Brown K. Brown	+17	5	5	4.1	3.2	0.4	0.6	0.0	0.0	1.4	1.6	87.5	0.2	0.2	100.0	0.2	0.2	100.0	94.8	0.2	0.2	0.0	20	16	2	3	0	0	0	1
20	Omer Yurtseven O. Yurtseven	+17	8	8	2.7	1.0	1.1	0.3	0.0	0.1	0.5	1.1	44.4	0.0	0.3	0.0	0.0	0.0		44.4	0.5	0.6	0.0	22	8	9	2	0	1	0	0
21	Tony Bradley T. Bradley	+17	9	9	5.8	1.8	2.3	0.4	0.0	0.2	0.9	1.7	53.3	0.0	0.1	0.0	0.0	0.0		53.3	0.9	1.4	0.6	52	16	21	4	0	2	5	7
22	Josh McRoberts J. McRoberts	+17	18	18	16.1	4.8	3.2	1.3	0.7	0.2	1.6	3.9	40.8	0.4	1.3	33.3	1.2	1.3	91.3	53.6	0.7	2.6	0.7	289	87	58	23	12	4	12	38
23	Andre Jackson Jr. A. Jackson Jr.	+16	6	6	9.6	2.0	1.8	1.5	0.8	0.2	0.8	1.7	50.0	0.3	0.8	40.0	0.0	0.0		60.0	0.8	1.0	0.3	57	12	11	9	5	1	2	10
24	Braxton Key B. Key	+15	5	5	4.5	0.4	1.8	0.2	0.4	0.4	0.2	1.6	12.5	0.0	0.2	0.0	0.0	0.0		12.5	1.0	0.8	0.6	23	2	9	1	2	2	3	4
25	Gui Santos G. Santos	+15	6	6	10.0	3.5	1.8	1.3	0.5	0.2	1.3	2.7	50.0	0.5	1.5	33.3	0.3	0.7	50.0	59.1	0.5	1.3	0.8	60	21	11	8	3	1	5	8