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Mark Leiter Jr.

Mark Leiter Jr.

New York YankeesMLB

ID: 643410

59
Outings
832
Total Pitches
54
Strikeouts
17
Walks
3.18
K/BB

Proprietary Metrics

59 games • 832 pitches

What do these metrics mean?
Tunnel Score (0-100): Measures how similar a pitcher's pitches look coming out of the hand before they diverge. Higher scores indicate better deception—the ball looks the same to the batter regardless of pitch type until it's too late.
Separation Score (0-100): Measures how much the pitches diverge at the plate based on horizontal and vertical movement. Higher separation means more contrast between pitch types, making the arsenal harder to square up.
Extension Score (0-100): Measures fastball extension and perceived velocity jump. Higher scores indicate better release extension and effective speed vs release speed, making the fastball appear faster to batters.

Arsenal Over Time

Velocity Over Time

Spin Rate Over Time

All Outings (229)

DateOppPitchesVeloKBBSwStr%TunnelSepPair
2025-09-26BAL2483.8(93.8)1212.5%8094
CU/FS
2025-09-19BAL1384.4(93.5)1015.4%81100
CU/SI
2025-09-16MIN1586.8(95.1)000.0%8393
CU/SI
2025-09-14BOS1086.7(94.2)0010.0%78--
2025-09-10DET1284.9(93.3)1016.7%7795
CU/SI
2025-09-09DET1685.8(94.1)0112.5%78100
CU/SI
2025-09-05TOR1884.2(93.5)2122.2%8699
CU/SI
2025-08-28CWS1382.6(92.8)1015.4%8498
CU/SI
2025-08-25WSH785.3(93.8)1014.3%---
2025-08-22BOS1486.4(94.0)0014.3%82100
CU/SI
2025-08-21BOS686.6(92.7)000.0%---
2025-08-19TB1384.5(93.2)007.7%76100
CU/SI
2025-08-16STL1585.1(94.6)1013.3%8096
CU/SI
2025-08-15STL886.9(93.9)010.0%---
2025-08-13MIN985.5(94.4)0011.1%---
2025-08-09HOU488.8(94.3)000.0%---
2025-08-06TEX885.4(92.2)000.0%---
2025-08-05TEX487.2(93.7)0025.0%---
2025-07-06NYM1687.8(95.6)010.0%78100
CU/SI
2025-07-03TOR2084.4(94.9)1015.0%81100
CU/SI
2025-07-01TOR1186.7(93.2)010.0%80100
CU/SI
2025-06-30TOR1986.2(95.2)105.3%7490
CU/SI
2025-06-24CIN2886.8(94.9)017.1%8194
CU/SI
2025-06-23CIN2784.4(94.1)2014.8%80100
CU/SI
2025-06-19LAA1187.9(95.6)000.0%83100
CU/SI
2025-06-18LAA1184.7(95.4)1018.2%76100
CU/SI
2025-06-15BOS2084.9(93.3)2120.0%77100
CU/SI
2025-06-12KC1088.7(94.7)000.0%91--
2025-06-11KC1385.5(94.8)0023.1%81100
CU/SI
2025-06-07BOS1486.0(94.9)3028.6%81100
CU/SI
2025-06-05CLE1186.2(93.9)109.1%78100
CU/SI
2025-06-03CLE1687.8(95.0)0112.5%7898
CU/SI
2025-05-31LAD1987.5(95.9)0010.5%8290
CU/SI
2025-05-28LAA1583.1(94.4)216.7%76100
CU/FS
2025-05-26LAA987.5(93.3)1011.1%---
2025-05-25COL2185.9(95.0)2123.8%7884
CU/SI
2025-05-22TEX1885.6(95.0)2022.2%82100
CU/SI
2025-05-20TEX1387.5(95.3)2023.1%75100
CU/SI
2025-05-17NYM885.4(94.3)0012.5%---
2025-05-16NYM2088.3(95.6)105.0%8292
CU/SI
2025-05-13SEA1585.5(94.3)2020.0%8396
CU/SI
2025-05-12SEA1590.3(96.0)1013.3%7741
FS/SI
2025-05-09ATH890.3(95.3)1025.0%---
2025-05-03TB2787.2(95.0)117.4%8190
CU/SI
2025-04-30BAL1786.9(95.3)2017.6%8097
CU/SI
2025-04-27TOR1687.5(95.4)3018.8%77100
CU/SI
2025-04-25TOR1188.1(94.6)000.0%7053
FS/SI
2025-04-22CLE2185.6(93.1)119.5%7979
CU/FS
2025-04-19TB785.8(93.5)1028.6%---
2025-04-18TB1787.7(95.4)2023.5%8145
FS/SI
2025-04-16KC1583.0(94.8)2020.0%80100
CU/SI
2025-04-13SF2085.6(94.3)105.0%7697
CU/SI
2025-04-12SF2087.9(94.3)115.0%76100
CU/SI
2025-04-09DET283.5(92.7)000.0%---
2025-04-05PIT586.4(93.0)000.0%---
2025-04-03AZ1285.9(94.8)2016.7%82100
CU/SI
2025-04-01AZ1983.3(94.1)1215.8%74100
CU/FS
2025-03-30MIL1486.4(95.2)207.1%71100
CU/SI
2025-03-27MIL1283.3(95.2)2033.3%78100
CU/FS
2024-10-30LAD783.4(92.9)1014.3%---
2024-10-29LAD1883.4(92.7)2122.2%75100
CU/FS
2024-10-28LAD1784.9(93.4)015.9%7494
CU/SI
2024-10-26LAD984.7(93.2)0022.2%---
2024-10-19CLE1780.4(92.0)010.0%7787
CU/FS
2024-10-18CLE2880.6(92.4)2010.7%81100
CU/FS
2024-09-29PIT3282.5(92.7)3228.1%77100
CU/FS
2024-09-25BAL1982.6(92.0)3031.6%77100
CU/FS
2024-09-24BAL1281.3(92.0)018.3%87100
CU/FS
2024-09-21ATH2782.7(92.2)3018.5%8386
CU/FS
2024-09-13BOS2981.5(93.1)2017.2%82100
CU/FS
2024-09-10KC2481.9(92.3)2020.8%8096
CU/FS
2024-09-04TEX1581.4(90.9)1033.3%7798
FS/ST
2024-08-31STL3383.0(93.0)3021.2%7790
CU/FS
2024-08-26WSH1483.9(92.0)007.1%7894
CU/SI
2024-08-24COL3683.3(92.6)3111.1%7593
CU/FS
2024-08-20CLE1882.7(92.4)2122.2%7997
CU/FS
2024-08-18DET685.0(90.9)0016.7%---
2024-08-17DET1283.0(92.0)108.3%75100
CU/SI
2024-08-13CWS2084.0(92.5)0215.0%8197
CU/SI
2024-08-11TEX2685.6(92.5)2111.5%7595
CU/SI
2024-08-10TEX1183.4(92.0)1018.2%7498
CU/SI
2024-08-07LAA1584.6(92.1)2020.0%78100
CU/SI
2024-08-04TOR2283.7(92.4)3027.3%7896
CU/FS
2024-08-03TOR2287.1(93.4)000.0%7796
CU/SI
2024-07-31PHI2785.5(93.0)2014.8%8579
SI/ST
2024-07-30PHI1784.4(92.5)005.9%8084
SI/ST
2024-07-28KC1681.8(91.5)2018.8%7492
CU/SI
2024-07-24MIL883.2(93.0)1025.0%---
2024-07-22MIL1284.8(92.4)3025.0%7955
FS/SI
2024-07-21AZ1085.0(92.2)2030.0%7943
FS/SI
2024-07-13STL1382.6(91.5)3038.5%8483
CU/SI
2024-07-12STL1288.1(93.2)2016.7%87--
2024-07-09BAL885.5(92.2)1025.0%---
2024-06-19SF2386.9(92.7)0213.0%8779
SI/ST
2024-06-17SF2885.2(92.4)307.1%8677
CU/SI
2024-06-13TB2484.5(91.6)114.2%82100
CU/SI
2024-06-11TB1485.0(91.0)1114.3%80--
2024-06-09CIN1884.4(92.1)2133.3%8084
CU/FS
2024-06-08CIN580.0(85.4)0020.0%---
2024-06-05CWS381.5(86.2)1066.7%---
2024-06-01CIN785.2(91.4)1042.9%---
2024-05-30MIL2081.9(90.9)1010.0%7886
CU/SI
2024-05-28MIL583.9(90.8)1040.0%---
2024-05-27MIL1487.4(92.0)117.1%7847
FC/SI
2024-05-25STL2987.0(92.4)1013.8%8662
SI/ST
2024-05-21ATL1684.5(92.3)3031.3%8642
FS/SI
2024-05-18PIT1686.1(91.9)3018.8%7748
FS/SI
2024-05-17PIT2086.5(92.6)1015.0%8178
SI/ST
2024-05-12PIT1785.8(92.3)205.9%7885
SI/ST
2024-05-04MIL2085.3(93.0)3030.0%7773
CU/SI
2024-05-01NYM1785.0(91.4)1117.6%7798
CU/SI
2024-04-29NYM885.9(91.5)000.0%---
2024-04-28BOS1585.0(91.2)0113.3%7663
FS/SI
2024-04-24HOU1585.4(90.9)1013.3%8281
SI/ST
2024-04-23HOU1587.0(92.8)010.0%7981
SI/ST
2024-04-20MIA1385.4(92.3)1015.4%8061
FS/SI
2024-04-16AZ1985.6(92.0)1015.8%8475
CU/FS
2024-04-14SEA287.2(90.6)000.0%---
2024-04-13SEA1785.1(90.9)1017.6%8263
SI/ST
2024-04-09SD1787.7(92.5)115.9%8377
SI/ST
2024-04-07LAD1185.2(91.0)109.1%82100
SI/ST
2024-04-06LAD2186.4(91.4)3114.3%8180
SI/ST
2024-04-03COL1586.7(91.2)0113.3%8355
FS/SI
2024-03-31TEX2084.2(91.8)1115.0%7368
FS/ST
2024-03-28TEX1985.8(91.0)3021.1%8448
FC/SI
2023-09-29MIL1485.7(90.5)017.1%8045
FC/FS
2023-09-27ATL889.7(91.9)0012.5%---
2023-09-20PIT1390.4(92.5)010.0%7653
FC/SI
2023-09-19PIT1587.8(91.4)116.7%8152
FF/FS
2023-09-16AZ1486.5(92.6)000.0%7838
FS/SI
2023-09-10AZ1486.7(92.5)0114.3%7866
FC/FF
2023-09-08AZ883.5(89.8)1025.0%---
2023-09-05SF1388.1(93.1)007.7%7057
FS/SI
2023-09-02CIN1786.9(92.4)010.0%8336
FC/FS
2023-09-01CIN1488.1(92.4)1014.3%7852
FC/SI
2023-08-30MIL2484.7(91.6)024.2%8382
CU/SI
2023-08-29MIL1085.8(92.1)1010.0%80--
2023-08-26PIT2485.0(92.4)3020.8%8479
CU/SI
2023-08-21DET2588.0(92.3)1012.0%7438
FC/SI
2023-08-20KC587.7(92.9)000.0%---
2023-08-19KC884.3(91.8)1025.0%---
2023-08-16CWS886.9(92.6)1025.0%---
2023-08-15CWS1585.6(92.7)2020.0%8482
CU/SI
2023-08-12TOR1588.1(91.5)016.7%7947
FC/FS
2023-08-09NYM1086.8(91.8)100.0%73--
2023-08-06ATL789.9(91.7)1014.3%---
2023-08-05ATL1887.8(90.7)1111.1%8250
FC/SI
2023-08-03CIN1885.0(92.7)4038.9%7988
CU/FS
2023-08-02CIN886.9(92.3)1025.0%---
2023-07-31CIN1286.9(91.5)2016.7%8346
FC/SI
2023-07-29STL2887.4(92.2)0110.7%8545
FC/SI
2023-07-26CWS1187.1(91.8)1027.3%77--
2023-07-25CWS1087.7(92.8)1010.0%77--
2023-07-22STL1487.6(90.6)010.0%8170
FC/SI
2023-07-21STL1286.1(91.4)010.0%7442
FC/SI
2023-07-19WSH1086.4(92.3)0020.0%8137
FS/SI
2023-07-17WSH888.1(92.6)000.0%---
2023-07-14BOS1788.2(93.4)1023.5%8049
FC/SI
2023-07-06MIL2985.4(91.2)2210.3%8141
FC/FS
2023-07-04MIL1388.6(92.7)000.0%76--
2023-07-03MIL2589.1(92.5)208.0%7652
FC/SI
2023-06-29PHI987.7(92.2)000.0%---
2023-06-25STL1086.1(91.3)1020.0%8329
FC/FS
2023-06-21PIT1186.1(90.7)1018.2%8072
FC/SI
2023-06-20PIT1487.8(92.0)1014.3%8449
FS/SI
2023-06-17BAL3487.5(92.5)215.9%7644
FS/SI
2023-06-14PIT1385.5(92.0)1015.4%81--
2023-06-13PIT1689.6(91.2)2112.5%8329
FF/SI
2023-06-09SF2687.3(92.3)207.7%7842
FS/SI
2023-06-07LAA2286.1(91.0)2118.2%7342
FS/SI
2023-06-02SD1387.3(91.7)3030.8%81--
2023-05-31TB1489.5(91.9)117.1%8129
FF/SI
2023-05-30TB1388.1(91.7)000.0%8242
FC/FS
2023-05-27CIN1687.3(92.0)106.3%8048
FC/SI
2023-05-24NYM1087.4(92.3)1020.0%8230
FF/SI
2023-05-23NYM1985.3(92.2)205.3%7680
CU/SI
2023-05-17HOU2287.3(93.5)3027.3%7150
FC/SI
2023-05-12MIN888.6(92.2)0025.0%---
2023-05-07MIA2286.1(92.5)2027.3%7244
FS/SI
2023-05-05MIA1688.8(92.4)1012.5%7358
FS/SI
2023-05-03WSH1686.6(91.9)206.3%8230
FS/SI
2023-05-01WSH1386.8(92.2)3023.1%7836
FS/SI
2023-04-28MIA578.8(90.4)1040.0%---
2023-04-27SD1786.5(92.0)015.9%7592
CU/SI
2023-04-25SD2287.2(92.1)109.1%8043
FF/FS
2023-04-22LAD2486.0(92.3)1116.7%7882
CU/SI
2023-04-18ATH1885.1(90.6)2122.2%7986
CU/SI
2023-04-16LAD1185.9(91.8)2018.2%8044
FS/SI
2023-04-15LAD2085.9(91.5)3025.0%8043
FC/FS
2023-04-11SEA1586.4(92.4)2026.7%86100
CU/SI
2023-04-10SEA1186.7(91.7)000.0%86--
2023-04-07TEX1386.1(90.9)107.7%8746
FC/FF
2023-04-02MIL3085.9(91.6)2213.3%8183
CU/SI
2023-04-01MIL2087.8(92.6)2110.0%8439
FS/SI
2022-10-05CIN985.2(92.0)2022.2%---
2022-10-02CIN1884.4(91.2)1011.1%7984
CU/SI
2022-09-28PHI1885.8(92.1)205.6%79100
CU/SI
2022-09-22PIT4182.5(91.3)4219.5%8086
CU/FS
2022-09-18COL2485.3(91.5)2116.7%8175
CU/SI
2022-09-14NYM986.1(90.9)0011.1%---
2022-09-12NYM1685.0(91.5)1012.5%8242
FF/FS
2022-09-08CIN2285.9(92.2)1118.2%8381
CU/SI
2022-09-03STL1883.1(91.3)1011.1%7887
CU/FF
2022-08-31TOR1886.1(92.0)105.6%7940
FS/SI
2022-08-29TOR1986.7(92.1)005.3%8137
FF/SI
2022-08-26MIL1382.3(92.1)010.0%80100
CU/SI
2022-08-24STL1383.5(91.6)1023.1%82100
CU/SI
2022-08-21MIL1588.0(91.3)000.0%7733
FF/SI
2022-08-19MIL1584.6(92.4)3026.7%8082
CU/FS
2022-08-16WSH1188.4(91.9)2027.3%8430
FS/SI
2022-08-15WSH2783.4(91.6)3011.1%8390
CU/FS
2022-08-09WSH3483.1(91.6)3017.6%8694
CU/SI
2022-08-06MIA2489.2(92.1)104.2%7628
FF/SI
2022-08-04STL4584.5(91.7)138.9%8474
CU/FF
2022-07-30SF4986.2(92.5)318.2%7984
CU/FF
2022-07-14NYM6686.5(92.2)5110.6%8270
CU/FF
2022-07-10LAD1686.2(92.7)1012.5%7991
CU/SI
2022-07-07LAD8285.2(91.7)4014.6%8076
CU/FF
2022-07-02BOS5786.3(92.0)5115.8%7776
CU/FF
2022-06-28CIN3985.4(92.4)4215.4%8081
CU/FF
2022-06-25STL3784.8(92.3)2013.5%8482
CU/FF
2022-06-21PIT4487.0(92.4)419.1%8483
CU/FF
2022-06-03STL6485.7(92.0)327.8%8076
CU/FF
2022-06-01MIL884.7(92.3)1037.5%---
2022-05-17PIT1388.8(92.8)2015.4%8471
FF/FS
2022-04-29MIL1984.3(91.3)3026.3%7390
CU/SI
2022-04-27ATL4585.0(92.8)010.0%7787
CU/SI
2022-04-21PIT7285.8(93.5)326.9%7892
CU/SI
2022-04-16COL7487.1(92.9)4410.8%7763
FC/SI