largest margin of victory by a team in a playoff game against a reigning champion

The Milwaukee Bucks have the highest point differential by a team with more than 0 championships in a playoff game, with a 50 point differential in Game 5 of the 1971 Western Conference Semifinals against the San Francisco Warriors.

	TEAM	DIFF	CHAMPS	DATE	TM		OPP	RESULT	MIN	PTS	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Bucks	50	1	4/4/1971	MIL	vs	SFW	W 136-86	240	136	56	37			58	104	55.8				20	28	71.4	58.5				26
2	Lakers	44	1	5/22/1985	LAL	vs	DEN	W 153-109	240	153	54	42	13	13	67	116	57.8	1	4	25.0	18	21	85.7	61.1	17	37	12	23
3	Hawks	44	1	3/25/1958	STL	@	DET	W 145-101	240	145					55	98	56.1				35	44	79.5	61.8				29
4	Bulls	42	1	6/7/1998	CHI	vs	UTA	W 96-54	240	96	50	25	13	6	37	76	48.7	4	11	36.4	18	26	69.2	54.9	11	39	17	19
5	Warriors	41	1	5/20/2018	GSW	vs	HOU	W 126-85	240	126	49	20	11	7	48	92	52.2	13	32	40.6	17	18	94.4	63.1	11	38	8	16
6	Bulls	41	1	4/25/1991	CHI	vs	NYK	W 126-85	240	126	41	26	15	0	44	84	52.4	6	10	60.0	32	42	76.2	61.5	15	26	15	20
7	Lakers	40	1	5/12/2009	LAL	vs	HOU	W 118-78	240	118	49	20	12	7	42	82	51.2	6	13	46.2	28	36	77.8	60.3	12	37	12	18
8	Celtics	39	1	6/17/2008	BOS	vs	LAL	W 131-92	240	131	48	33	18	4	43	87	49.4	13	26	50.0	32	37	86.5	63.4	14	34	7	25
9	Lakers	39	1	5/25/2001	LAL	vs	SAS	W 111-72	240	111	63	24	6	5	44	92	47.8	7	18	38.9	16	25	64.0	53.9	22	41	15	21
10	Cavaliers	38	1	5/25/2016	CLE	vs	TOR	W 116-78	240	116	48	23	11	6	44	77	57.1	10	21	47.6	18	24	75.0	66.2	10	38	16	26
11	Bulls	38	1	5/19/1996	CHI	vs	ORL	W 121-83	240	121	62	37	12	2	53	96	55.2	7	19	36.8	8	12	66.7	59.7	20	42	13	22
12	Heat	37	1	5/8/2013	MIA	vs	CHI	W 115-78	240	115	41	29	9	5	42	70	60.0	9	18	50.0	22	29	75.9	69.5	8	33	17	24
13	Lakers	37	1	4/29/1987	LAL	@	DEN	W 140-103	240	140	55	40	4	14	48	91	52.7	4	7	57.1	40	49	81.6	62.2	10	45	10	22
14	Raptors	36	1	5/7/2019	TOR	vs	PHI	W 125-89	240	125	42	22	12	2	40	82	48.8	16	40	40.0	29	33	87.9	64.8	6	36	10	18
15	Warriors	36	1	5/16/2017	GSW	vs	SAS	W 136-100	240	136	40	39	16	5	50	89	56.2	18	37	48.6	18	19	94.7	69.8	6	34	16	19
16	Mavericks	36	1	5/8/2011	DAL	vs	LAL	W 122-86	240	122	40	32	11	2	44	73	60.3	20	32	62.5	14	19	73.7	75.0	6	34	19	23
17	Knicks	36	1	4/20/1970	NYK	vs	MIL	W 132-96	240	132	49	27			57	113	50.4				18	25	72.0	53.2				22
18	Warriors	35	1	5/23/2015	GSW	@	HOU	W 115-80	240	115	60	26	9	6	44	97	45.4	11	28	39.3	16	20	80.0	54.3	17	43	13	27
19	Spurs	35	1	5/21/2014	SAS	vs	OKC	W 112-77	240	112	53	27	8	7	41	82	50.0	9	23	39.1	21	23	91.3	60.8	11	42	12	15
20	Pistons	35	1	5/8/1990	DET	vs	NYK	W 112-77	240	112	53	26	8	6	48	92	52.2	3	7	42.9	13	22	59.1	55.1	15	38	12	17
21	Bullets	35	1	6/4/1978	WAS	vs	SEA	W 117-82	240	117	69	26	12	10	46	103	44.7				25	34	73.5	49.6	25	44	21	25
22	Celtics	34	1	5/1/2024	BOS	vs	MIA	W 118-84	240	118	56	23	5	3	42	77	54.5	16	40	40.0	18	27	66.7	66.4	8	48	14	15
23	Bucks	34	1	6/25/2021	MIL	vs	ATL	W 125-91	240	125	47	29	14	3	50	96	52.1	15	41	36.6	10	16	62.5	60.7	16	31	15	20
24	Bucks	34	1	5/24/2021	MIL	vs	MIA	W 132-98	240	132	61	34	8	5	46	94	48.9	22	53	41.5	18	20	90.0	64.2	21	40	15	25
25	Celtics	34	1	5/4/2008	BOS	vs	ATL	W 99-65	240	99	46	20	11	10	40	84	47.6	3	18	16.7	16	19	84.2	53.6	14	32	8	19