The Boston Celtics had their worst free-throw percentage in a season in 1946-47, at 59.0 percent.

	TEAM	FT%	SEASON	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF
1	Celtics	59.0	1946-47	60	241.3	60.1		7.8			23.3	85.6	27.2				13.5	22.9	31.4				14,475	3,605		470				1,202
2	Celtics	63.6	1948-49	60	241.3	76.6		18.9			28.4	91.4	31.1				19.7	30.9	36.5				14,475	4,593		1,135				1,382
3	Celtics	65.9	1947-48	48	242.6	68.8		7.6			25.9	90.1	28.7				17.1	26.0	33.9				11,645	3,303		364				1,065
4	Celtics	69.2	1998-99	50	243.0	93.0	42.8	21.5	9.1	5.1	36.3	83.3	43.6	5.5	15.2	36.0	14.9	21.5	50.1	13.6	29.2	16.1	12,150	4,650	2,138	1,073	453	255	807	1,193
5	Celtics	70.7	1949-50	68	241.5	79.7		21.7			28.6	84.6	33.8				22.5	31.8	40.4				16,420	5,420		1,473				1,644
6	Celtics	71.4	1995-96	82	242.7	103.6	42.4	21.9	8.0	5.0	38.6	84.7	45.6	6.6	17.7	37.1	19.9	27.9	53.4	12.8	29.6	15.9	19,905	8,495	3,477	1,792	653	406	1,302	2,041
7	Celtics	72.1	1967-68	82	240.3	116.1	69.1	21.9			45.0	102.1	44.0				26.2	36.4	49.2				19,705	9,523	5,666	1,798				2,147
8	Celtics	72.5	1962-63	80	240.9	118.8	72.7	24.5			46.8	109.7	42.7				25.2	34.7	47.5				19,275	9,504	5,818	1,960				2,090
9	Celtics	72.5	1963-64	80	240.9	113.0	71.7	22.0			45.2	109.6	41.3				22.6	31.1	45.8				19,275	9,042	5,736	1,760				2,125
10	Celtics	72.5	1950-51	69	244.7	85.2	50.7	22.9			29.9	81.3	36.8				25.4	35.0	44.1				16,885	5,881	3,499	1,579				1,881
11	Celtics	72.6	1997-98	82	240.6	95.9	39.5	22.1	12.0	4.5	36.7	84.6	43.4	5.1	15.2	33.2	17.4	24.0	50.4	14.6	24.9	16.2	19,730	7,864	3,240	1,816	987	366	1,330	2,203
12	Celtics	72.6	1953-54	72	244.9	87.7	53.7	24.6			31.0	77.5	40.0				25.7	35.4	47.1				17,630	6,315	3,867	1,773				1,969
13	Celtics	72.8	1952-53	71	242.5	88.1	54.4	23.5			30.7	78.2	39.2				26.8	36.9	46.7				17,215	6,258	3,865	1,666				1,911
14	Celtics	72.8	1961-62	80	240.9	121.1	76.0	25.6			48.2	113.9	42.3				24.7	33.9	47.0				19,275	9,687	6,080	2,049				1,909
15	Celtics	72.9	1968-69	82	241.8	111.0	59.0	23.8			43.7	101.4	43.1				23.6	32.4	48.0				19,830	9,102	4,840	1,953				2,073
16	Celtics	73.0	1993-94	82	242.7	100.8	41.7	23.5	8.2	5.4	40.6	86.1	47.2	1.7	5.8	28.9	17.8	24.4	52.1	12.6	29.0	15.1	19,905	8,267	3,417	1,928	674	440	1,242	1,849
17	Celtics	73.1	1964-65	80	240.9	112.8	71.9	22.2			44.6	107.6	41.4				23.6	32.3	46.3				19,275	9,024	5,748	1,772				2,065
18	Celtics	73.3	1960-61	79	241.3	119.7	77.6	23.7			46.8	117.7	39.8				26.1	35.6	44.9				19,060	9,460	6,131	1,872				2,032
19	Celtics	73.4	1951-52	66	241.9	91.3	56.8	24.3			32.3	83.5	38.7				26.7	36.5	45.9				15,965	6,027	3,750	1,606				1,734
20	Celtics	73.4	1959-60	75	241.0	124.5	80.2	24.7			49.9	119.6	41.7				24.7	33.6	46.3				18,075	9,337	6,014	1,849				1,856
21	Celtics	73.7	1957-58	72	240.3	109.9	75.0	20.9			41.8	107.8	38.7				26.4	35.9	44.5				17,305	7,916	5,402	1,508				1,723
22	Celtics	73.7	1982-83	82	241.8	112.1	46.4	27.0	9.6	6.4	45.3	92.0	49.2	0.5	2.3	21.0	21.1	28.6	53.6	15.5	30.9	18.8	19,830	9,191	3,805	2,216	789	521	1,541	2,062
23	Celtics	73.9	1965-66	80	240.3	112.7	69.9	22.4			43.6	104.6	41.7				25.5	34.5	47.0				19,225	9,014	5,591	1,795				2,012
24	Celtics	74.0	1981-82	82	241.2	112.0	45.6	25.9	8.0	6.9	44.6	89.4	49.9	0.6	2.2	26.6	22.2	30.0	54.5	15.3	30.4	17.7	19,780	9,180	3,742	2,126	652	568	1,452	2,014
25	Celtics	74.0	2000-01	82	241.8	94.6	39.8	20.8	9.4	4.1	33.8	79.1	42.8	7.2	19.9	36.3	19.8	26.7	52.1	10.9	28.9	15.7	19,830	7,759	3,264	1,708	769	336	1,285	1,952