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-Mar492:4228.62.02:073:150.196%
2024-Apr3582:3539.10.02:063:090.543%
2023-Mar202:4230.05.02:093:250.000%
2023-Apr3742:3635.00.32:053:100.675%
2024-May3672:3342.20.32:063:050.148%
2023-May3822:3733.20.02:073:090.632%
2024-Jun3692:3541.50.32:063:060.442%
2023-Jun3542:3931.90.32:083:120.552%
2024-Jul1712:3638.60.02:063:070.505%
2023-Jul3302:4029.70.62:093:130.475%
2023-Aug3802:4128.20.02:093:130.670%
2023-Sep3732:4424.11.12:103:170.364%
2023-Oct132:3246.20.02:043:140.752%
202413142:3540.20.22:063:070.386%
202322262:3930.50.42:083:130.557%
202222043:033.810.52:293:420.632%
202120893:102.518.72:333:520.413%
20207203:072.915.62:313:510.402%
201922113:054.613.52:283:430.420%
201822103:006.98.92:253:370.307%
201722463:054.212.22:283:390.156%
201622363:006.08.32:253:320.129%
201522132:5610.17.12:233:250.135%
201421943:025.511.12:283:330.104%
201321802:588.38.32:253:270.073%
201222312:559.95.82:223:240.062%
201121852:5115.14.52:193:160.043%
201022032:5017.14.12:173:140.048%
200922212:5116.05.02:163:130.058%
200822172:5016.53.62:163:100.016%
200722062:5116.04.42:153:090.036%
200622352:4819.63.32:133:04
200522412:4623.22.72:123:020.006%
200422052:4720.02.12:123:040.055%
200322282:4620.92.02:123:020.006%
200222172:5214.94.12:173:110.023%
200122252:5412.45.52:193:140.040%
200022202:579.48.02:193:140.052%
199922282:5313.65.72:163:090.035%
199822202:4720.83.42:133:060.024%

Baserunning

  • All stats are per team game.
Baserunning
Year G SBatt SB CS BK SB%
2024-Mar1100.860.680.180.0578.9%
2024-Apr7940.960.750.210.0578.0%
2023-Mar400.900.780.130.0886.1%
2023-Apr8100.890.700.190.0579.0%
2024-May8180.930.730.210.0478.0%
2023-May8300.890.710.180.0679.9%
2024-Jun8000.900.690.210.0377.2%
2023-Jun7800.940.740.200.0378.7%
2024-Jul3760.890.680.210.0576.0%
2023-Jul7340.850.690.170.0480.5%
2023-Aug8220.840.690.140.0482.9%
2023-Sep8140.970.770.190.0380.0%
2023-Oct301.271.000.270.0778.9%
202428980.920.720.210.0477.6%
202348600.900.720.180.0480.2%
202248600.680.510.170.0375.4%
202148580.600.460.150.0375.7%
202017960.660.490.160.0475.2%
201948580.640.470.170.0373.3%
201848620.710.510.200.0372.1%
201748600.710.520.190.0373.0%
201648560.730.520.210.0371.7%
201548580.730.520.220.0370.2%
201448600.780.570.210.0372.8%
201348620.760.550.210.0372.8%
201248600.900.660.230.0374.0%
201148580.930.670.260.0372.2%
201048600.840.610.230.0472.4%
200948600.840.610.230.0372.4%
200848560.790.580.210.0373.0%
200748620.810.600.210.0374.4%
200648580.800.570.230.0371.4%
200548620.750.530.220.0370.6%
200448560.760.530.230.0370.2%
200348600.760.530.230.0369.4%
200248520.830.570.260.0368.2%
200148580.930.640.290.0368.8%
200048580.870.600.270.0368.8%
199948561.020.700.310.0469.3%
199848640.980.680.310.0468.6%

Pitch Clock

Pitch Clock
Yr-Mon G Pit Auto Stk Auto Stk/1000 Auto Ball Auto Ball/1000
2024-Mar551663550.3161.0
2024-Apr397116776250.2980.8
2024-May409118741240.2840.7
2024-Jun400116085280.2710.6
2024-Jul1885517060.1320.6

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
ARI971441820.1100.7
ATL951390150.490.6
BAL961405220.1141.0
BOS951436620.1120.8
CHC981447310.1141.0
CHW981368640.3110.8
CIN971386330.2110.8
CLE951362810.1161.2
COL971404910.1110.8
DET971425130.290.6
HOU961337870.550.4
KCR971352110.1120.9
LAA961383550.460.4
LAD971508740.3110.7
MIA961315430.2100.8
MIL971485440.350.3
MIN961394010.180.6
NYM951416930.2151.1
NYY981481670.5120.8
OAK981410510.1130.9
PHI961419640.3130.9
PIT961423750.4181.3
SDP991423530.270.5
SEA981462820.150.3
SFG971444250.380.6
STL961426600.0110.8
TBR961448020.160.4
TEX961375200.040.3
TOR961397930.290.6
WSN971364640.360.4

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
ARI971401250.4161.1
ATL951347730.2120.9
BAL961400120.1100.7
BOS951370340.360.4
CHC981416020.1100.7
CHW981491630.280.5
CIN971437120.170.5
CLE951364030.2120.9
COL971461540.330.2
DET971403620.160.4
HOU961437310.1130.9
KCR971394730.250.4
LAA961419250.4110.8
LAD971390140.370.5
MIA961446250.390.6
MIL971385310.1161.2
MIN961389320.1100.7
NYM951445640.3100.7
NYY981477210.190.6
OAK981437020.140.3
PHI961385860.4110.8
PIT961391430.2161.1
SDP991465730.2181.2
SEA981347410.180.6
SFG971430510.170.5
STL961366930.280.6
TBR961398810.1100.7
TEX961411150.4141.0
TOR961405440.3110.8
WSN971422730.2141.0

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-Mar110.253.3068.695.811.148.9835.0%5.05.259.256.261.657.628.680
2023-Mar40.249.3228.465.970.729.5636.4%4.10.261.230.283.720.682.745
2024-Apr794.239.2878.105.381.028.5233.7%4.35.241.231.249.636.631.639
2023-Apr810.247.2978.465.431.178.8434.8%4.71.247.235.255.643.648.641
2024-May818.239.2858.145.311.058.3732.9%4.29.243.239.246.618.631.609
2023-May830.249.2978.565.471.198.5934.2%4.62.244.238.247.651.660.644
2024-Jun800.246.2918.445.431.178.4033.0%4.55.252.253.252.628.627.630
2024-Jul376.250.2958.605.461.318.6334.0%4.64.254.243.262.630.619.638
2023-Jun780.248.2978.505.431.188.7234.2%4.59.253.255.251.636.645.631
2023-Jul734.249.2968.535.401.278.7334.5%4.70.249.236.258.639.644.635
2023-Aug822.250.2978.645.471.338.7334.5%4.77.251.238.259.643.655.635
2023-Sep814.248.2968.545.411.258.7734.8%4.77.244.234.250.651.652.650
2023-Oct30.223.2817.494.890.909.4536.1%3.96.255.233.270.627.667.598
20242898.243.2898.295.401.118.4833.4%4.45.247.242.251.629.628.629
20234860.248.2978.535.441.238.7434.5%4.69.248.239.254.645.651.640
20224860.243.2908.295.411.098.5333.4%4.35.241.226.250.631.628.633
20214858.244.2928.345.281.268.9035.1%4.65.241.232.248.637.636.637
20201796.245.2928.405.281.349.0736.1%4.85.237.215.255.643.637.647
20194858.252.2988.715.381.408.8835.1%4.86.242.233.247.632.633.632
20184862.248.2968.495.451.168.5333.7%4.48.246.235.253.626.627.624
20174860.255.3008.785.601.278.3433.5%4.70.249.241.254.632.632.632
20164856.255.3008.795.721.178.1032.3%4.52.249.238.257.659.654.662
20154858.254.2998.735.811.027.7630.7%4.28.249.241.255.644.643.645
20144860.251.2998.585.870.867.7330.3%4.08.252.244.258.657.648.664
20134862.253.2978.685.860.967.5730.3%4.18.244.238.248.674.674.673