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	206	2:36	37.9	0.0	2:06	3:10	0.465%
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%
2023-May	382	2:37	33.2	0.0	2:07	3:09	0.632%
2023-Jun	354	2:39	31.9	0.3	2:08	3:12	0.552%
2023-Jul	330	2:40	29.7	0.6	2:09	3:13	0.475%
2023-Aug	380	2:41	28.2	0.0	2:09	3:13	0.670%
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	255	2:37	36.1	0.4	2:07	3:11	0.409%
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	458	0.92	0.71	0.21	0.05	77.5%
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%
2023-May	830	0.89	0.71	0.18	0.06	79.9%
2023-Jun	780	0.94	0.74	0.20	0.03	78.7%
2023-Jul	734	0.85	0.69	0.17	0.04	80.5%
2023-Aug	822	0.84	0.69	0.14	0.04	82.9%
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	568	0.91	0.71	0.20	0.05	77.8%
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	16635	5	0.3	16	1.0
2024-Apr	229	68041	16	0.2	60	0.9

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	20	3092	0	0.0	3	1.0
ATL	17	2717	0	0.0	4	1.5
BAL	18	2583	0	0.0	5	1.9
BOS	20	3002	0	0.0	2	0.7
CHC	18	2781	1	0.4	2	0.7
CHW	18	2480	1	0.4	1	0.4
CIN	18	2707	2	0.7	2	0.7
CLE	19	2805	0	0.0	4	1.4
COL	19	2845	0	0.0	1	0.4
DET	19	2841	0	0.0	3	1.1
HOU	20	2927	1	0.3	0	0.0
KCR	19	2788	0	0.0	2	0.7
LAA	19	2973	1	0.3	0	0.0
LAD	21	3222	0	0.0	6	1.9
MIA	19	2598	2	0.8	2	0.8
MIL	17	2648	1	0.4	0	0.0
MIN	17	2526	1	0.4	2	0.8
NYM	18	2680	2	0.7	5	1.9
NYY	19	3070	0	0.0	2	0.7
OAK	19	2694	0	0.0	3	1.1
PHI	19	2679	2	0.7	1	0.4
PIT	19	3180	2	0.6	8	2.5
SDP	21	3064	2	0.7	3	1.0
SEA	19	2830	1	0.4	2	0.7
SFG	20	2906	1	0.3	3	1.0
STL	19	2750	0	0.0	4	1.5
TBR	20	2911	0	0.0	0	0.0
TEX	20	2879	0	0.0	1	0.3
TOR	19	2860	0	0.0	4	1.4
WSN	18	2638	1	0.4	1	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	20	2987	0	0.0	5	1.7
ATL	17	2502	1	0.4	2	0.8
BAL	18	2633	0	0.0	3	1.1
BOS	20	3060	0	0.0	1	0.3
CHC	18	2784	0	0.0	4	1.4
CHW	18	2701	1	0.4	3	1.1
CIN	18	2801	2	0.7	1	0.4
CLE	19	2895	1	0.3	4	1.4
COL	19	2894	1	0.3	1	0.3
DET	19	2810	2	0.7	3	1.1
HOU	20	3137	0	0.0	3	1.0
KCR	19	2610	1	0.4	1	0.4
LAA	19	2824	0	0.0	3	1.1
LAD	21	3070	3	1.0	0	0.0
MIA	19	3147	2	0.6	2	0.6
MIL	17	2416	0	0.0	4	1.7
MIN	17	2494	1	0.4	2	0.8
NYM	18	2798	1	0.4	2	0.7
NYY	19	2881	0	0.0	4	1.4
OAK	19	2819	0	0.0	0	0.0
PHI	19	2892	0	0.0	5	1.7
PIT	19	2588	0	0.0	5	1.9
SDP	21	3144	1	0.3	7	2.2
SEA	19	2673	0	0.0	1	0.4
SFG	20	2818	0	0.0	3	1.1
STL	19	2661	1	0.4	1	0.4
TBR	20	3077	0	0.0	1	0.3
TEX	20	2978	1	0.3	2	0.7
TOR	19	2891	1	0.3	0	0.0
WSN	18	2691	1	0.4	3	1.1

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	.255	.262	.657	.628	.680
2024-Apr	458	.238	.287	8.07	5.38	1.00	8.56	34.1%	4.37	.244	.238	.249	.632	.631	.633
2023-Mar	40	.249	.322	8.46	5.97	0.72	9.56	36.4%	4.10	.261	.230	.283	.720	.682	.745
2023-Apr	810	.247	.297	8.46	5.43	1.17	8.84	34.8%	4.71	.247	.235	.255	.643	.648	.641
2023-May	830	.249	.297	8.56	5.47	1.19	8.59	34.2%	4.62	.244	.238	.247	.651	.660	.644
2023-Jun	780	.248	.297	8.50	5.43	1.18	8.72	34.2%	4.59	.253	.255	.251	.636	.645	.631
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
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	568	.241	.291	8.19	5.47	1.02	8.64	34.2%	4.50	.247	.241	.251	.637	.630	.643
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