Kevin Durant has the highest +/- per game played in an NBA Finals, with 21.5.

Interpreted as:

highest average plus minus per game by a player in a finals

	NAME	+/-/GP	+/-	GP	SEASON	SERIES	TM	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 Durant K. Durant	21.5	+86	4	2017-18	NBA Finals	GSW	41.3	28.8	10.8	7.5	0.8	2.3	10.0	19.0	52.6	2.3	5.5	40.9	6.5	6.8	96.3	65.4	0.5	10.3	2.3	165	115	43	30	3	9	9	12
2	Manu Ginobili M. Ginobili	16.6	+83	5	2013-14	NBA Finals	SAS	28.7	14.4	3.0	4.4	1.0	0.2	4.8	9.6	50.0	2.0	4.8	41.7	2.8	3.2	87.5	65.4	0.0	3.0	2.4	143	72	15	22	5	1	12	16
3	Glen Davis G. Davis	15	+15	1	2007-08	NBA Finals	BOS	14.6	3.0	4.0	0.0	0.0	0.0	1.0	2.0	50.0	0.0	0.0		1.0	2.0	50.0	52.1	2.0	2.0	0.0	15	3	4	0	0	0	0	2
4	Boris Diaw B. Diaw	14.8	+74	5	2013-14	NBA Finals	SAS	35.2	6.2	8.6	5.8	0.8	0.2	2.4	6.6	36.4	0.6	1.8	33.3	0.8	1.6	50.0	42.4	1.8	6.8	1.6	176	31	43	29	4	1	8	5
5	Klay Thompson K. Thompson	13.25	+53	4	2017-18	NBA Finals	GSW	37.0	16.0	3.8	1.0	0.5	0.3	6.0	12.5	48.0	3.0	7.0	42.9	1.0	1.3	80.0	61.3	0.0	3.8	1.3	148	64	15	4	2	1	5	12
6	Ben Wallace B. Wallace	12.8	+64	5	2003-04	NBA Finals	DET	40.6	10.8	13.6	1.4	1.8	1.0	4.4	9.2	47.8	0.0	0.4	0.0	2.0	6.8	29.4	44.3	3.8	9.8	1.2	203	54	68	7	9	5	6	15
7	Andre Iguodala A. Iguodala	12.5	+25	2	2017-18	NBA Finals	GSW	22.3	9.5	2.0	0.5	1.5	1.0	3.5	6.0	58.3	1.5	3.0	50.0	1.0	1.0	100.0	73.8	0.5	1.5	0.5	45	19	4	1	3	2	1	6
8	Kawhi Leonard K. Leonard	12.4	+62	5	2013-14	NBA Finals	SAS	33.4	17.8	6.4	2.0	1.6	1.2	6.0	9.8	61.2	2.2	3.8	57.9	3.6	4.6	78.3	75.3	1.6	4.8	1.8	167	89	32	10	8	6	9	22
9	Aaron Gordon A. Gordon	12.2	+61	5	2022-23	NBA Finals	DEN	35.7	14.0	7.4	3.0	0.8	0.6	5.8	9.6	60.4	1.0	1.8	55.6	1.4	3.0	46.7	64.1	1.8	5.6	0.6	178	70	37	15	4	3	3	14
10	Andre Iguodala A. Iguodala	12	+60	5	2016-17	NBA Finals	GSW	28.2	8.6	3.4	3.4	1.2	1.0	3.6	6.8	52.9	1.0	3.0	33.3	0.4	1.2	33.3	58.7	0.8	2.6	1.0	141	43	17	17	6	5	5	10
11	Stephen Curry S. Curry	11.75	+47	4	2017-18	NBA Finals	GSW	40.6	27.5	6.0	6.8	1.5	0.8	9.3	23.0	40.2	5.5	13.3	41.5	3.5	3.5	100.0	56.0	0.8	5.3	2.8	162	110	24	27	6	3	11	11
12	Manu Ginobili M. Ginobili	11.5	+46	4	2006-07	NBA Finals	SAS	29.3	17.8	5.8	2.5	1.3	0.0	4.5	12.3	36.7	2.5	5.8	43.5	6.3	7.5	83.3	57.1	0.3	5.5	2.3	117	71	23	10	5	0	9	15
13	Rick Fox R. Fox	11.5	+46	4	2001-02	NBA Finals	LAL	36.0	9.8	6.3	3.5	1.5	0.5	3.0	5.8	52.2	1.3	2.8	45.5	2.5	3.0	83.3	69.0	1.5	4.8	2.8	144	39	25	14	6	2	11	14
14	Shaquille O'Neal S. O'Neal	11.25	+45	4	2001-02	NBA Finals	LAL	41.5	36.3	12.3	3.8	0.5	2.8	12.5	21.0	59.5	0.0	0.0		11.3	17.0	66.2	63.6	3.3	9.0	3.5	166	145	49	15	2	11	14	7
15	Kristaps Porziņģis K. Porziņģis	11	+33	3	2023-24	NBA Finals	BOS	20.0	12.3	3.7	0.3	0.0	1.7	4.7	8.0	58.3	0.7	3.0	22.2	2.3	2.7	87.5	67.2	0.0	3.7	0.3	60	37	11	1	0	5	1	5
16	Jamal Murray J. Murray	11	+55	5	2022-23	NBA Finals	DEN	42.3	21.4	6.2	10.0	1.0	0.0	8.2	18.2	45.1	2.4	6.2	38.7	2.6	2.8	92.9	55.1	1.0	5.2	3.4	211	107	31	50	5	0	17	9
17	Derek Fisher D. Fisher	10.8	+54	5	2008-09	NBA Finals	LAL	35.9	11.0	3.0	1.8	1.2	0.0	4.2	8.4	50.0	1.4	3.2	43.8	1.2	1.2	100.0	61.6	0.6	2.4	0.6	179	55	15	9	6	0	3	16
18	Draymond Green D. Green	10.75	+43	4	2017-18	NBA Finals	GSW	41.4	9.3	6.0	8.5	2.0	1.5	3.8	7.3	51.7	0.8	3.5	21.4	1.0	1.3	80.0	59.3	1.0	5.0	1.3	165	37	24	34	8	6	5	18
19	Andre Iguodala A. Iguodala	10.33	+62	6	2014-15	NBA Finals	GSW	37.1	16.3	5.8	4.0	1.3	0.3	6.2	11.8	52.1	2.3	5.8	40.0	1.7	4.7	35.7	58.8	1.0	4.8	1.0	222	98	35	24	8	2	6	18
20	Kobe Bryant K. Bryant	9.8	+49	5	2008-09	NBA Finals	LAL	43.8	32.4	5.6	7.4	1.4	1.4	11.6	27.0	43.0	1.8	5.0	36.0	7.4	8.8	84.1	52.5	0.6	5.0	3.2	219	162	28	37	7	7	16	13
21	Tayshaun Prince T. Prince	9.8	+49	5	2003-04	NBA Finals	DET	39.2	10.0	6.8	2.0	1.8	0.4	4.2	10.8	38.9	0.6	3.2	18.8	1.0	2.2	45.5	42.5	3.0	3.8	0.4	196	50	34	10	9	2	2	9
22	Toni Kukoc T. Kukoc	9.67	+58	6	1997-98	NBA Finals	CHI	37.0	15.2	4.7	2.7	1.2	0.7	6.3	12.7	50.0	1.2	3.8	30.4	1.3	2.2	61.5	55.7	1.7	3.0	1.7	222	91	28	16	7	4	10	14
23	Lamar Odom L. Odom	9.4	+47	5	2008-09	NBA Finals	LAL	33.8	13.4	7.8	0.8	1.0	1.0	5.2	9.6	54.2	0.8	1.6	50.0	2.2	3.2	68.8	60.9	2.0	5.8	1.8	169	67	39	4	5	5	9	21
24	Tim Duncan T. Duncan	9.2	+46	5	2013-14	NBA Finals	SAS	33.1	15.4	10.0	2.0	0.4	0.8	5.8	10.2	56.9	0.0	0.2	0.0	3.8	5.6	67.9	60.8	2.6	7.4	2.4	165	77	50	10	2	4	12	12
25	Trevor Ariza T. Ariza	9.2	+46	5	2008-09	NBA Finals	LAL	37.6	11.0	6.0	1.6	1.8	0.2	4.0	11.2	35.7	2.0	4.8	41.7	1.0	2.0	50.0	45.5	1.8	4.2	1.0	188	55	30	8	9	1	5	16