which pitcher has the most innings pitched in a single postseason by a reliever

Andrew Miller has pitched the most innings by a relief pitcher in a postseason, with 19.1 innings in 2016.

	NAME	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Andrew Miller A. Miller	19.1	2016	CLE	10	2	0	1.000	0	1.40	30	0	0	1	12	3	3	2	5	0	1	0	73	0	13.97	2.33	6.00	0.93	41.1	6.8	0.88	.278	1.40	5.59
2	Francisco Rodriguez F. Rodriguez	18.2	2002	ANA	11	5	1	.833	0	1.93	28	0	0	0	10	4	5	2	5	0	1	0	70	3	13.50	2.41	5.60	0.96	40.0	7.1	0.80	.229	2.41	4.82
3	Tug McGraw T. McGraw	18.2	1973	NYM	7	1	0	1.000	0	1.93	17	0	0	2	12	4	5	0	12	1	4	3	81	1	8.20	5.79	1.42	0.00	21.0	14.8	1.29	.235	2.41	5.79
4	Rollie Fingers R. Fingers	18.1	1973	OAK	9	0	2	.000	0	0.98	12	0	0	3	17	2	6	1	6	1	6	1	78	0	5.89	2.95	2.00	0.49	15.4	7.7	1.25	.276	2.95	8.35
5	Kenley Jansen K. Jansen	16.2	2017	LAD	13	1	1	.500	0	1.62	20	0	0	5	8	3	4	2	3	2	11	0	63	0	10.80	1.62	6.67	1.08	31.7	4.8	0.66	.167	2.16	4.32
6	Jesse Barnes J. Barnes	16.1	1921	NYG	3	2	0	1.000	0	1.65	18	0	0	0	10	3	3	1	6	1	3	0	63	1	9.92	3.31	3.00	0.55	28.6	9.5	0.98	.243	1.65	5.51
7	Mariano Rivera M. Rivera	16.0	2009	NYY	12	0	0		0	0.56	14	0	0	5	10	1	1	0	5	0	9	1	63	0	7.88	2.81	2.80	0.00	22.2	7.9	0.94	.227	0.56	5.63
8	Mariano Rivera M. Rivera	16.0	2003	NYY	8	1	0	1.000	0	0.56	14	0	0	5	7	1	1	0	0	0	8	0	55	0	7.88	0.00		0.00	25.5	0.0	0.44	.171	0.56	3.94
9	Mariano Rivera M. Rivera	16.0	2001	NYY	11	2	1	.667	0	1.13	14	0	0	5	12	2	4	0	2	1	10	1	64	2	7.88	1.13	7.00	0.00	21.9	3.1	0.88	.255	2.25	6.75
10	Tyler Matzek T. Matzek	15.2	2021	ATL	13	3	0	1.000	0	1.72	24	0	0	0	10	3	3	0	4	0	1	1	60	0	13.79	2.30	6.00	0.00	40.0	6.7	0.89	.313	1.72	5.74
11	Aroldis Chapman A. Chapman	15.2	2016	CHC	13	2	0	1.000	0	3.45	21	0	0	4	11	6	6	1	6	1	9	0	62	0	12.06	3.45	3.50	0.57	33.9	9.7	1.09	.303	3.45	6.32
12	Mariano Rivera M. Rivera	15.2	2000	NYY	10	0	0		0	1.72	10	0	0	6	10	3	3	1	1	1	9	0	60	0	5.74	0.57	10.00	0.57	16.7	1.7	0.70	.191	1.72	5.74
13	Andy Hawkins A. Hawkins	15.2	1984	SDP	6	1	1	.500	0	0.57	5	0	0	0	4	1	1	0	8	1	0	1	54	1	2.87	4.60	0.63	0.00	9.3	14.8	0.77	.100	0.57	2.30
14	Tug McGraw T. McGraw	15.2	1980	PHI	9	1	2	.333	0	2.87	15	0	0	4	15	5	5	0	12	0	7	5	70	0	8.62	6.89	1.25	0.00	21.4	17.1	1.72	.349	2.87	8.62
15	Tom Hall T. Hall	15.2	1972	CIN	6	1	0	1.000	0	0.57	15	0	0	1	9	1	1	0	5	0	4	1	61	0	8.62	2.87	3.00	0.00	24.6	8.2	0.89	.220	0.57	5.17
16	Rollie Fingers R. Fingers	15.2	1972	OAK	9	2	1	.667	0	1.72	14	0	0	2	8	3	3	1	5	1	5	2	57	1	8.04	2.87	2.80	0.57	24.6	8.8	0.83	.194	1.72	4.60
17	Luke Weaver L. Weaver	15.1	2024	NYY	12	1	0	1.000	0	1.76	16	0	0	4	8	3	3	2	2	1	8	0	56	0	9.39	1.17	8.00	1.17	28.6	3.6	0.65	.171	1.76	4.70
18	Kelvin Herrera K. Herrera	15.0	2014	KCR	11	1	0	1.000	0	1.80	16	0	0	0	11	3	3	0	7	0	0	0	61	0	9.60	4.20	2.29	0.00	26.2	11.5	1.20	.289	1.80	6.60
19	Dan Quisenberry D. Quisenberry	15.0	1980	KCR	8	2	2	.500	0	3.60	1	0	0	2	14	6	7	0	5	0	8	2	61	0	0.60	3.00	0.20	0.00	1.6	8.2	1.27	.255	4.20	8.40
20	Nick Anderson N. Anderson	14.2	2020	TBR	10	1	2	.333	0	5.52	9	0	0	1	16	9	9	3	4	0	3	1	61	1	5.52	2.45	2.25	1.84	14.8	6.6	1.36	.289	5.52	9.82
21	Jeurys Familia J. Familia	14.2	2015	NYM	12	0	0		0	0.61	9	0	0	5	5	1	2	1	2	0	9	0	51	0	5.52	1.23	4.50	0.61	17.6	3.9	0.48	.103	1.23	3.07
22	Derek Lowe D. Lowe	14.2	1999	BOS	6	1	1	.500	0	3.07	14	0	0	0	12	5	10	2	3	1	0	0	63	0	8.59	1.84	4.67	1.23	22.2	4.8	1.02	.233	6.14	7.36
23	Mike Montgomery M. Montgomery	14.1	2016	CHC	11	1	1	.500	0	3.14	11	0	0	1	14	5	5	0	7	0	3	0	63	1	6.91	4.40	1.57	0.00	17.5	11.1	1.47	.311	3.14	8.79
24	Wade Davis W. Davis	14.1	2014	KCR	12	2	0	1.000	0	0.63	20	0	0	0	8	1	2	0	2	0	1	0	52	1	12.56	1.26	10.00	0.00	38.5	3.8	0.70	.267	1.26	5.02
25	Mariano Rivera M. Rivera	14.1	1996	NYY	8	1	0	1.000	0	0.63	10	0	0	0	10	1	1	0	5	0	2	0	57	0	6.28	3.14	2.00	0.00	17.5	8.8	1.05	.238	0.63	6.28