how many rings does the current boston celtics roster have

Al Horford has won 1 championship in his career.

	NAME	CHAMPS	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	Al Horford A. Horford	1	1,138	31.6	12.9	7.9	3.2	0.8	1.1	5.3	10.5	50.9	0.9	2.3	37.7	1.4	1.8	76.3	57.3	1.9	6.0	1.4	35,916	14,705	8,943	3,629	866	1,300	1,569	2,416	+3570
2	Jrue Holiday J. Holiday	2	1,037	32.9	15.8	4.2	6.2	1.4	0.5	6.2	13.4	46.2	1.5	4.1	37.0	1.9	2.4	78.8	54.6	1.0	3.2	2.6	34,158	16,422	4,340	6,440	1,472	535	2,673	2,196	+2921
3	Kristaps Porziņģis K. Porziņģis	1	501	30.7	19.6	7.8	1.8	0.7	1.8	6.9	14.9	46.1	1.9	5.2	36.6	4.0	4.8	82.9	57.6	1.7	6.0	1.7	15,404	9,839	3,888	913	365	909	835	1,495	+907
4	Jaylen Brown J. Brown	1	603	30.6	19.0	5.3	2.6	1.0	0.4	7.1	14.9	47.8	1.9	5.3	35.9	2.8	3.9	72.6	57.1	1.0	4.3	2.1	18,465	11,436	3,208	1,589	612	228	1,277	1,518	+2101
5	Jayson Tatum J. Tatum	1	585	34.5	23.6	7.3	3.8	1.1	0.7	8.2	17.8	45.9	2.6	7.1	37.0	4.5	5.4	84.0	58.3	0.9	6.5	2.4	20,185	13,784	4,293	2,243	640	384	1,389	1,232	+3645
6	Derrick White D. White	1	494	28.5	13.0	3.7	4.2	0.8	0.9	4.5	10.0	44.8	1.9	5.2	36.9	2.1	2.4	85.2	58.5	0.6	3.1	1.4	14,080	6,399	1,808	2,065	405	446	694	1,035	+2169
7	Luke Kornet L. Kornet	1	353	14.9	5.2	3.5	1.1	0.3	0.8	2.1	3.9	53.6	0.4	1.3	32.1	0.6	0.8	77.0	61.3	1.4	2.1	0.4	5,268	1,843	1,225	382	121	297	135	429	+585
8	Torrey Craig T. Craig	0	458	19.5	5.9	3.9	1.0	0.5	0.6	2.2	5.0	45.2	0.9	2.6	35.4	0.5	0.7	70.1	55.9	1.3	2.7	0.6	8,913	2,697	1,802	476	234	255	294	930	-853
9	Payton Pritchard P. Pritchard	1	347	20.2	9.1	2.7	2.5	0.5	0.1	3.3	7.3	45.4	1.9	4.8	39.9	0.5	0.6	85.6	59.8	0.8	2.0	0.8	7,008	3,153	952	883	185	36	278	426	+995
10	Xavier Tillman Sr. X. Tillman Sr.	1	260	16.0	5.3	3.8	1.2	0.8	0.5	2.3	4.4	50.9	0.2	0.9	25.2	0.6	1.0	57.7	54.7	1.3	2.5	0.7	4,170	1,389	978	317	213	126	171	369	-66
11	Neemias Queta N. Queta	1	110	12.2	4.7	3.6	0.7	0.3	0.7	2.0	3.2	62.7	0.0	0.0	0.0	0.7	1.0	71.3	64.9	1.5	2.2	0.5	1,345	521	400	72	32	73	60	181	+253
12	Sam Hauser S. Hauser	1	256	18.5	7.4	2.9	0.9	0.4	0.2	2.6	5.8	45.1	2.0	4.9	42.0	0.2	0.2	85.1	63.2	0.5	2.4	0.3	4,730	1,894	733	227	111	61	87	292	+1037
13	JD Davison	0	36	5.5	1.9	0.9	0.9	0.2	0.1	0.7	1.8	38.5	0.3	0.9	28.1	0.3	0.4	69.2	48.1	0.2	0.7	0.5	198	68	32	34	8	4	19	11	-11
14	Jordan Walsh J. Walsh	1	61	8.0	1.6	1.5	0.4	0.3	0.2	0.6	1.6	36.7	0.3	1.0	26.6	0.1	0.2	57.1	46.6	0.5	1.0	0.3	486	97	89	24	17	12	20	41	+72
15	Drew Peterson D. Peterson	0	28	7.5	2.3	1.5	0.5	0.3	0.1	0.8	1.7	44.7	0.6	1.4	42.1	0.3	0.3	77.8	63.8	0.3	1.1	0.3	209	65	41	14	7	2	9	19	+54
16	Miles Norris M. Norris	0	3	11.7	2.3	3.0	0.0	0.7	0.3	0.7	3.0	22.2	0.7	2.3	28.6	0.3	0.7	50.0	35.4	0.7	2.3	0.0	35	7	9	0	2	1	0	0	-14
17	Baylor Scheierman B. Scheierman	0	31	12.4	3.6	2.1	1.1	0.5	0.1	1.3	3.5	35.5	0.8	2.6	31.7	0.3	0.4	75.0	49.0	0.6	1.5	0.4	384	113	65	33	17	2	12	22	+29