2023 MLB Rules Changes Effect on Stats and Pace of Play

This page attempts to show the statistical impact of MLB's rule changes for the 2023 season. If you have an idea, let us know.

We also have all general stats computed on a per-game basis at the three links below.

Time of Game For Season

AvgTime and thresholds only includes 9 inning games.

Time of Game For Season
Year	G	AvgTime	%≤2:30	%≥3:30	Avg Tm Btwn PA	Avg Tm Btwn BIP	Pos.Pitcher %
2024-Mar	49	2:42	28.6	2.0	2:07	3:15	0.196%
2024-Apr	358	2:35	39.1	0.0	2:06	3:09	0.543%
2023-Mar	20	2:42	30.0	5.0	2:09	3:25	0.000%
2023-Apr	374	2:36	35.0	0.3	2:05	3:10	0.675%
2024-May	367	2:33	42.2	0.3	2:06	3:05	0.148%
2023-May	382	2:37	33.2	0.0	2:07	3:09	0.632%
2024-Jun	370	2:35	41.4	0.3	2:06	3:06	0.441%
2023-Jun	354	2:39	31.9	0.3	2:08	3:12	0.552%
2024-Jul	337	2:37	36.2	0.0	2:06	3:08	0.478%
2023-Jul	330	2:40	29.7	0.6	2:09	3:13	0.475%
2024-Aug	379	2:37	38.3	0.8	2:07	3:09	0.454%
2023-Aug	380	2:41	28.2	0.0	2:09	3:13	0.670%
2024-Sep	349	2:36	37.2	0.3	2:07	3:12	0.526%
2023-Sep	373	2:44	24.1	1.1	2:10	3:17	0.364%
2023-Oct	13	2:32	46.2	0.0	2:04	3:14	0.752%
2024	2209	2:36	38.9	0.3	2:06	3:09	0.425%
2023	2226	2:39	30.5	0.4	2:08	3:13	0.557%
2022	2204	3:03	3.8	10.5	2:29	3:42	0.632%
2021	2089	3:10	2.5	18.7	2:33	3:52	0.413%
2020	720	3:07	2.9	15.6	2:31	3:51	0.402%
2019	2211	3:05	4.6	13.5	2:28	3:43	0.420%
2018	2210	3:00	6.9	8.9	2:25	3:37	0.307%
2017	2246	3:05	4.2	12.2	2:28	3:39	0.156%
2016	2236	3:00	6.0	8.3	2:25	3:32	0.129%
2015	2213	2:56	10.1	7.1	2:23	3:25	0.135%
2014	2194	3:02	5.5	11.1	2:28	3:33	0.104%
2013	2180	2:58	8.3	8.3	2:25	3:27	0.073%
2012	2231	2:55	9.9	5.8	2:22	3:24	0.062%
2011	2185	2:51	15.1	4.5	2:19	3:16	0.043%
2010	2203	2:50	17.1	4.1	2:17	3:14	0.048%
2009	2221	2:51	16.0	5.0	2:16	3:13	0.058%
2008	2217	2:50	16.5	3.6	2:16	3:10	0.016%
2007	2206	2:51	16.0	4.4	2:15	3:09	0.036%
2006	2235	2:48	19.6	3.3	2:13	3:04
2005	2241	2:46	23.2	2.7	2:12	3:02	0.006%
2004	2205	2:47	20.0	2.1	2:12	3:04	0.055%
2003	2228	2:46	20.9	2.0	2:12	3:02	0.006%
2002	2217	2:52	14.9	4.1	2:17	3:11	0.023%
2001	2225	2:54	12.4	5.5	2:19	3:14	0.040%
2000	2220	2:57	9.4	8.0	2:19	3:14	0.052%
1999	2228	2:53	13.6	5.7	2:16	3:09	0.035%
1998	2220	2:47	20.8	3.4	2:13	3:06	0.024%

Baserunning

All stats are per team game.

Baserunning
Year	G	SBatt	SB	CS	BK	SB%
2024-Mar	110	0.86	0.68	0.18	0.05	78.9%
2024-Apr	794	0.96	0.75	0.21	0.05	78.0%
2023-Mar	40	0.90	0.78	0.13	0.08	86.1%
2023-Apr	810	0.89	0.70	0.19	0.05	79.0%
2024-May	818	0.93	0.73	0.21	0.04	78.0%
2023-May	830	0.89	0.71	0.18	0.06	79.9%
2024-Jun	802	0.90	0.69	0.20	0.03	77.2%
2023-Jun	780	0.94	0.74	0.20	0.03	78.7%
2024-Jul	738	0.95	0.74	0.21	0.05	77.9%
2023-Jul	734	0.85	0.69	0.17	0.04	80.5%
2024-Aug	826	0.97	0.79	0.18	0.04	81.9%
2023-Aug	822	0.84	0.69	0.14	0.04	82.9%
2024-Sep	770	0.96	0.78	0.18	0.03	80.8%
2023-Sep	814	0.97	0.77	0.19	0.03	80.0%
2023-Oct	30	1.27	1.00	0.27	0.07	78.9%
2024	4858	0.94	0.74	0.20	0.04	79.0%
2023	4860	0.90	0.72	0.18	0.04	80.2%
2022	4860	0.68	0.51	0.17	0.03	75.4%
2021	4858	0.60	0.46	0.15	0.03	75.7%
2020	1796	0.66	0.49	0.16	0.04	75.2%
2019	4858	0.64	0.47	0.17	0.03	73.3%
2018	4862	0.71	0.51	0.20	0.03	72.1%
2017	4860	0.71	0.52	0.19	0.03	73.0%
2016	4856	0.73	0.52	0.21	0.03	71.7%
2015	4858	0.73	0.52	0.22	0.03	70.2%
2014	4860	0.78	0.57	0.21	0.03	72.8%
2013	4862	0.76	0.55	0.21	0.03	72.8%
2012	4860	0.90	0.66	0.23	0.03	74.0%
2011	4858	0.93	0.67	0.26	0.03	72.2%
2010	4860	0.84	0.61	0.23	0.04	72.4%
2009	4860	0.84	0.61	0.23	0.03	72.4%
2008	4856	0.79	0.58	0.21	0.03	73.0%
2007	4862	0.81	0.60	0.21	0.03	74.4%
2006	4858	0.80	0.57	0.23	0.03	71.4%
2005	4862	0.75	0.53	0.22	0.03	70.6%
2004	4856	0.76	0.53	0.23	0.03	70.2%
2003	4860	0.76	0.53	0.23	0.03	69.4%
2002	4852	0.83	0.57	0.26	0.03	68.2%
2001	4858	0.93	0.64	0.29	0.03	68.8%
2000	4858	0.87	0.60	0.27	0.03	68.8%
1999	4856	1.02	0.70	0.31	0.04	69.3%
1998	4864	0.98	0.68	0.31	0.04	68.6%

Pitch Clock

Pitch Clock
Yr-Mon	G	Pit	Auto Stk	Auto Stk/1000	Auto Ball	Auto Ball/1000
2024-Mar	55	16636	5	0.3	17	1.0
2024-Apr	397	116776	25	0.2	98	0.8
2024-May	409	118741	24	0.2	84	0.7
2024-Jun	401	116364	28	0.2	71	0.6
2024-Jul	369	108698	18	0.2	62	0.6
2024-Aug	413	121445	22	0.2	73	0.6
2024-Sep	385	113271	16	0.1	72	0.6

Pitch Clock -- Teams Batting

All stats are for the batting team.

Pitch Clock -- Teams Batting
Tm	G	Pit	Auto Stk	Auto Stk/1000	Auto Ball	Auto Ball/1000
ARI	162	24611	4	0.2	16	0.7
ATL	162	24017	5	0.2	13	0.5
BAL	162	24202	3	0.1	24	1.0
BOS	162	24343	4	0.2	20	0.8
CHC	162	24053	3	0.1	18	0.7
CHW	162	22535	6	0.3	16	0.7
CIN	162	23231	6	0.3	17	0.7
CLE	161	22934	1	0.0	23	1.0
COL	162	23395	3	0.1	15	0.6
DET	162	23822	4	0.2	12	0.5
HOU	161	22477	9	0.4	11	0.5
KCR	162	22842	2	0.1	17	0.7
LAA	162	23364	8	0.3	15	0.6
LAD	162	24921	7	0.3	16	0.6
MIA	162	22907	6	0.3	21	0.9
MIL	162	24980	4	0.2	12	0.5
MIN	162	23447	3	0.1	12	0.5
NYM	162	24162	4	0.2	20	0.8
NYY	162	25084	9	0.4	19	0.8
OAK	162	23232	4	0.2	17	0.7
PHI	162	23857	5	0.2	22	0.9
PIT	162	23811	6	0.3	25	1.0
SDP	162	23709	4	0.2	12	0.5
SEA	162	24382	4	0.2	11	0.5
SFG	162	23878	5	0.2	17	0.7
STL	162	24028	0	0.0	13	0.5
TBR	162	24027	4	0.2	12	0.5
TEX	162	23282	2	0.1	8	0.3
TOR	162	23570	4	0.2	14	0.6
WSN	162	22828	9	0.4	9	0.4

Pitch Clock -- Teams Pitching

All stats are for the pitching team.

Pitch Clock -- Teams Pitching
Tm	G	Pit	Auto Stk	Auto Stk/1000	Auto Ball	Auto Ball/1000
ARI	162	23764	6	0.3	27	1.1
ATL	162	23230	6	0.3	21	0.9
BAL	162	23605	2	0.1	14	0.6
BOS	162	23573	7	0.3	10	0.4
CHC	162	23193	2	0.1	17	0.7
CHW	162	24988	3	0.1	16	0.6
CIN	162	23796	3	0.1	11	0.5
CLE	161	23406	5	0.2	17	0.7
COL	162	24217	7	0.3	7	0.3
DET	162	23226	2	0.1	13	0.6
HOU	161	23967	5	0.2	27	1.1
KCR	162	23378	3	0.1	8	0.3
LAA	162	23783	6	0.3	21	0.9
LAD	162	23587	5	0.2	16	0.7
MIA	162	24504	6	0.2	15	0.6
MIL	162	23679	2	0.1	25	1.1
MIN	162	23824	2	0.1	13	0.5
NYM	162	24225	9	0.4	22	0.9
NYY	162	24730	2	0.1	17	0.7
OAK	162	23737	5	0.2	7	0.3
PHI	162	23538	12	0.5	12	0.5
PIT	162	23637	5	0.2	21	0.9
SDP	162	23730	3	0.1	18	0.8
SEA	162	22494	2	0.1	10	0.4
SFG	162	24237	5	0.2	8	0.3
STL	162	23086	5	0.2	13	0.6
TBR	162	23227	3	0.1	14	0.6
TEX	162	24179	7	0.3	21	0.9
TOR	162	23478	4	0.2	14	0.6
WSN	162	23913	4	0.2	22	0.9

Defensive Shift

Defensive Shift
	G	BA	BAbip	H/9	1B/9	HR/9	SO/9	TTO%	R/9	GrndBall BA	LHB GrndBall BA	RHB GrndBall BA	LineDrv BA	LHB LineDrv BA	RHB LineDrv BA
2024-Mar	110	.253	.306	8.69	5.81	1.14	8.98	35.0%	5.05	.259	.256	.261	.657	.628	.680
2023-Mar	40	.249	.322	8.46	5.97	0.72	9.56	36.4%	4.10	.261	.230	.283	.720	.682	.745
2024-Apr	794	.239	.287	8.10	5.38	1.02	8.52	33.7%	4.35	.241	.231	.249	.636	.631	.639
2023-Apr	810	.247	.297	8.46	5.43	1.17	8.84	34.8%	4.71	.247	.235	.255	.643	.648	.641
2024-May	818	.239	.285	8.14	5.31	1.05	8.37	32.9%	4.29	.243	.239	.246	.618	.631	.609
2023-May	830	.249	.297	8.56	5.47	1.19	8.59	34.2%	4.62	.244	.238	.247	.651	.660	.644
2024-Jun	802	.246	.291	8.43	5.42	1.17	8.41	33.0%	4.55	.252	.253	.251	.629	.627	.630
2023-Jun	780	.248	.297	8.50	5.43	1.18	8.72	34.2%	4.59	.253	.255	.251	.636	.645	.631
2024-Jul	738	.248	.293	8.53	5.41	1.28	8.59	33.9%	4.63	.253	.239	.264	.632	.625	.638
2024-Aug	826	.247	.293	8.48	5.42	1.25	8.72	34.1%	4.58	.254	.259	.250	.633	.639	.628
2023-Jul	734	.249	.296	8.53	5.40	1.27	8.73	34.5%	4.70	.249	.236	.258	.639	.644	.635
2023-Aug	822	.250	.297	8.64	5.47	1.33	8.73	34.5%	4.77	.251	.238	.259	.643	.655	.635
2024-Sep	770	.239	.291	8.16	5.44	1.08	8.95	34.7%	4.25	.248	.240	.255	.641	.651	.634
2023-Sep	814	.248	.296	8.54	5.41	1.25	8.77	34.8%	4.77	.244	.234	.250	.651	.652	.650
2023-Oct	30	.223	.281	7.49	4.89	0.90	9.45	36.1%	3.96	.255	.233	.270	.627	.667	.598
2024	4858	.243	.291	8.31	5.41	1.14	8.60	33.8%	4.46	.249	.244	.252	.632	.634	.630
2023	4860	.248	.297	8.53	5.44	1.23	8.74	34.5%	4.69	.248	.239	.254	.645	.651	.640
2022	4860	.243	.290	8.29	5.41	1.09	8.53	33.4%	4.35	.241	.226	.250	.631	.628	.633
2021	4858	.244	.292	8.34	5.28	1.26	8.90	35.1%	4.65	.241	.232	.248	.637	.636	.637
2020	1796	.245	.292	8.40	5.28	1.34	9.07	36.1%	4.85	.237	.215	.255	.643	.637	.647
2019	4858	.252	.298	8.71	5.38	1.40	8.88	35.1%	4.86	.242	.233	.247	.632	.633	.632
2018	4862	.248	.296	8.49	5.45	1.16	8.53	33.7%	4.48	.246	.235	.253	.626	.627	.624
2017	4860	.255	.300	8.78	5.60	1.27	8.34	33.5%	4.70	.249	.241	.254	.632	.632	.632
2016	4856	.255	.300	8.79	5.72	1.17	8.10	32.3%	4.52	.249	.238	.257	.659	.654	.662
2015	4858	.254	.299	8.73	5.81	1.02	7.76	30.7%	4.28	.249	.241	.255	.644	.643	.645
2014	4860	.251	.299	8.58	5.87	0.86	7.73	30.3%	4.08	.252	.244	.258	.657	.648	.664
2013	4862	.253	.297	8.68	5.86	0.96	7.57	30.3%	4.18	.244	.238	.248	.674	.674	.673