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Andrew Chafin

Andrew Chafin

Washington NationalsMLB

ID: 605177

42
Outings
614
Total Pitches
36
Strikeouts
19
Walks
1.89
K/BB

Proprietary Metrics

42 games • 614 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 (318)

DateOppPitchesVeloKBBSwStr%TunnelSepPair
2025-09-10MIN2185.6(88.9)2123.8%8370
SI/SL
2025-09-09MIN1686.8(89.7)200.0%8569
SI/SL
2025-09-05ATH2287.8(91.1)2122.7%8666
SI/SL
2025-09-03KC2584.8(91.1)2116.0%9071
FF/SL
2025-08-27TEX1384.8(90.0)207.7%8577
FF/SL
2025-08-24CHC985.2(90.3)1011.1%---
2025-08-22CHC479.8(80.1)1025.0%---
2025-08-19CIN886.6(89.5)000.0%---
2025-08-18CIN1486.9(90.5)1014.3%7964
SI/SL
2025-08-16ATH488.0(90.6)000.0%---
2025-08-13LAD2086.3(89.9)2110.0%8665
SI/SL
2025-08-12LAD1987.4(90.7)010.0%8168
SI/SL
2025-08-08DET1985.9(90.4)115.3%8460
SI/SL
2025-08-05TB1087.3(89.6)1020.0%82--
2025-08-03CWS1283.6(90.2)1116.7%8080
FF/SL
2025-08-01CWS1784.5(89.8)0011.8%8463
SI/SL
2025-07-29HOU1687.3(90.7)016.3%7668
SI/SL
2025-07-26MIN1886.3(91.1)1022.2%8578
SI/SL
2025-07-22CIN2584.6(91.2)108.0%8470
SI/SL
2025-07-21CIN1185.8(90.9)000.0%8489
SI/SL
2025-07-18SD585.0(89.3)1020.0%---
2025-07-12MIL389.3(89.9)000.0%---
2025-07-10STL1288.6(91.1)008.3%8524
FF/SI
2025-07-08STL885.2(90.6)0012.5%---
2025-07-06BOS1885.6(92.1)1022.2%7884
SI/SL
2025-07-04BOS1386.8(90.8)000.0%8461
FF/SL
2025-06-08TEX984.5(90.8)0022.2%---
2025-06-07TEX387.2(90.5)000.0%---
2025-06-05CHC1389.2(91.4)1115.4%8628
FF/SI
2025-06-03CHC1886.8(89.6)020.0%8664
SI/SL
2025-05-30AZ2087.6(91.7)2015.0%8161
FF/SL
2025-05-27SEA2788.3(91.9)113.7%8470
SI/SL
2025-05-23SF2785.2(91.5)3011.1%8479
SI/SL
2025-05-18BAL1285.9(92.2)118.3%8281
SI/SL
2025-05-16BAL2484.7(91.9)114.2%8375
SI/SL
2025-05-15ATL1387.2(91.1)010.0%8662
SI/SL
2025-05-12ATL882.3(90.5)0012.5%---
2025-05-11STL582.1(88.8)1040.0%---
2025-05-09STL3187.2(91.5)126.5%7874
SI/SL
2025-05-07CLE2085.6(91.8)0215.0%8679
SI/SL
2025-05-06CLE1484.3(91.1)1028.6%7986
SI/SL
2025-05-03CIN884.5(90.7)2025.0%---
2024-09-27LAA1488.5(93.4)017.1%8286
SI/SL
2024-09-25ATH2488.0(92.6)108.3%8167
SI/SL
2024-09-21SEA3487.8(92.1)022.9%8265
SI/SL
2024-09-19TOR1687.9(91.9)2137.5%8087
SI/SL
2024-09-12SEA3487.4(93.5)3117.6%8271
SI/SL
2024-09-07LAA1386.1(92.2)017.7%8593
SI/SL
2024-09-03NYY1187.0(91.7)010.0%7877
SI/SL
2024-09-01ATH1685.9(93.1)0012.5%8195
SI/SL
2024-08-28CWS1687.3(92.9)010.0%8074
SI/SL
2024-08-25CLE683.6(91.0)1016.7%---
2024-08-23CLE1485.2(92.4)2042.9%7782
SI/SL
2024-08-21PIT1286.2(92.7)1016.7%8691
SI/SL
2024-08-18MIN1289.2(91.9)108.3%8127
FF/SI
2024-08-16MIN1388.2(92.3)1123.1%7670
SI/SL
2024-08-14BOS1986.6(92.3)1010.5%8171
SI/SL
2024-08-12BOS2087.8(92.2)025.0%8175
FF/SL
2024-08-11NYY1088.4(92.1)000.0%7661
FF/SL
2024-08-07HOU1687.4(92.2)2118.8%8066
SI/SL
2024-08-05HOU1485.4(91.9)2128.6%8487
FF/SL
2024-08-03BOS1686.2(93.1)0018.8%8391
SI/SL
2024-08-02BOS2487.1(93.2)3025.0%8592
SI/SL
2024-07-28MIN2186.8(93.5)3023.8%8185
SI/SL
2024-07-25CLE1586.4(91.7)2013.3%7684
SI/SL
2024-07-24CLE1186.1(92.6)1027.3%8487
SI/SL
2024-07-22CLE1087.0(93.9)2020.0%86--
2024-07-19TOR1089.4(94.0)1020.0%7582
SI/SL
2024-07-14LAD1485.3(94.2)2021.4%8081
SI/SL
2024-07-13LAD2088.3(93.5)015.0%8381
SI/SL
2024-07-11CLE1186.5(91.6)1018.2%8590
SI/SL
2024-07-09CLE2486.9(93.5)2116.7%8669
SI/SL
2024-07-06CIN686.4(93.7)1033.3%---
2024-07-05CIN1485.8(92.7)1021.4%7885
SI/SL
2024-06-30LAA1690.6(93.8)206.3%8664
SI/SL
2024-06-28LAA1386.5(93.7)2023.1%8084
SI/SL
2024-06-24PHI2287.8(93.5)0022.7%8272
FF/SL
2024-06-18ATL1086.4(93.7)2030.0%8491
SI/SL
2024-06-13WSH1586.0(93.0)3033.3%7784
SI/SL
2024-06-11WSH1084.3(92.7)1020.0%83--
2024-06-08MIL1289.9(91.5)010.0%8723
FF/SI
2024-06-05TEX3488.5(92.7)115.9%7971
FF/SL
2024-06-02BOS2289.4(93.6)2213.6%8064
FF/SL
2024-06-01BOS2487.9(93.4)1112.5%8274
SI/SL
2024-05-29PIT2188.5(93.0)3019.0%8373
SI/SL
2024-05-24TOR2289.6(93.9)2018.2%7486
SI/SL
2024-05-22KC487.3(92.9)000.0%---
2024-05-18AZ1189.6(94.2)109.1%7681
SI/SL
2024-05-10HOU888.8(91.8)010.0%---
2024-05-08CLE1186.4(93.5)109.1%78100
SI/SL
2024-05-07CLE1188.1(92.9)000.0%7969
SI/SL
2024-05-05NYY2387.9(92.3)014.3%7897
SI/SL
2024-05-03NYY1187.3(92.5)019.1%8492
SI/SL
2024-04-30STL1187.7(93.1)0018.2%8184
SI/SL
2024-04-27KC1986.9(93.8)005.3%7785
SI/SL
2024-04-24TB986.6(93.8)2066.7%---
2024-04-19MIN1786.5(92.2)0011.8%7785
SI/SL
2024-04-18TEX2186.6(92.2)1119.0%7894
SI/SL
2024-04-16TEX1986.0(93.3)3010.5%7897
SI/SL
2024-04-12MIN1786.1(92.7)3023.5%7897
SI/SL
2024-04-05ATH2186.9(92.9)124.8%8589
SI/SL
2024-04-04NYM1386.8(91.7)1023.1%74100
SI/SL
2024-03-31CWS1085.3(91.6)0110.0%6995
SI/SL
2024-03-28CWS1287.3(92.6)2041.7%7591
SI/SL
2023-10-01CHC1491.4(93.9)000.0%8255
FF/SL
2023-09-27STL2190.2(93.7)019.5%8558
SI/SL
2023-09-26STL2390.6(94.1)118.7%8257
FF/SL
2023-09-23MIA291.4(91.6)000.0%---
2023-09-22MIA2089.5(93.6)1010.0%7766
SI/SL
2023-09-19STL1691.1(93.8)116.3%7657
SI/SL
2023-09-17WSH190.9(90.9)000.0%---
2023-09-13MIA1184.9(91.9)1027.3%85--
2023-09-10NYY1489.8(92.9)207.1%8465
SI/SL
2023-09-05PIT1590.8(93.8)1013.3%7750
SI/SL
2023-09-03PHI1688.6(94.3)0118.8%7686
SI/SL
2023-09-02PHI1190.1(92.7)100.0%77--
2023-08-25SD2690.9(94.5)107.7%8062
SI/SL
2023-08-18TEX1990.4(93.3)010.0%8256
FF/SL
2023-08-16LAD2289.9(92.9)119.1%7857
SI/SL
2023-08-13CWS1589.0(92.8)006.7%8460
SI/SL
2023-08-08COL1188.0(92.9)029.1%8176
SI/SL
2023-08-07COL1187.7(93.1)1027.3%8076
SI/SL
2023-08-05PIT2288.5(92.6)2213.6%8460
FF/SL
2023-08-03PIT1392.4(93.8)107.7%82--
2023-07-29SEA1988.9(94.1)115.3%8263
SI/SL
2023-07-24STL3788.1(94.0)2210.8%7970
SI/SL
2023-07-22CIN1090.4(93.3)1010.0%7781
SI/SL
2023-07-15TOR1290.4(93.1)018.3%76--
2023-07-09PIT1487.9(92.5)017.1%7965
FF/SL
2023-07-08PIT1789.6(94.8)2011.8%7881
SI/SL
2023-07-05NYM2488.5(93.7)018.3%8263
SI/SL
2023-07-01LAA1189.7(93.4)2018.2%8656
SI/SL
2023-06-30LAA1790.6(95.3)0111.8%8686
SI/SL
2023-06-25SF1588.3(93.5)1113.3%8479
SI/SL
2023-06-22WSH1488.6(93.5)2021.4%7970
SI/SL
2023-06-16CLE1190.9(94.0)100.0%84--
2023-06-15PHI791.7(93.5)1014.3%---
2023-06-12PHI1787.0(93.0)1117.6%7268
SI/SL
2023-06-11DET991.1(94.5)0111.1%---
2023-06-07WSH1989.8(94.0)2031.6%8364
SI/SL
2023-06-04ATL2688.9(94.6)2115.4%8269
SI/SL
2023-05-29COL691.7(94.4)1016.7%---
2023-05-28BOS1688.1(93.7)116.3%8087
SI/SL
2023-05-23PHI990.3(92.6)0011.1%---
2023-05-22PHI1888.4(92.9)3111.1%7763
SI/SL
2023-05-20PIT1389.9(94.1)007.7%8078
SI/SL
2023-05-16ATH1188.7(91.6)2027.3%8579
SI/SL
2023-05-15ATH1091.4(93.0)000.0%84--
2023-05-13SF281.4(81.7)0050.0%---
2023-05-12SF1387.8(92.6)1030.8%8679
SI/SL
2023-05-10MIA2289.0(92.8)209.1%8664
FF/SL
2023-05-06WSH1587.6(92.8)006.7%7983
SI/SL
2023-05-05WSH1588.0(92.5)2013.3%7885
SI/SL
2023-05-03TEX1990.6(93.9)3021.1%7562
SI/SL
2023-05-02TEX689.3(93.6)1033.3%---
2023-04-26KC2089.5(92.4)1115.0%8562
SI/SL
2023-04-24KC3587.7(92.8)4117.1%7767
SI/SL
2023-04-22SD584.5(90.2)000.0%---
2023-04-18STL1488.5(91.8)010.0%8081
SI/SL
2023-04-17STL1289.8(93.2)2025.0%7881
SI/SL
2023-04-15MIA785.7(91.8)1028.6%---
2023-04-12MIL589.8(92.0)0020.0%---
2023-04-10MIL1488.3(93.1)3035.7%8164
SI/SL
2023-04-07LAD1887.8(92.8)2116.7%8463
FF/SL
2023-04-03SD1086.9(91.5)0010.0%8976
FF/SL
2023-04-02LAD1588.1(93.1)2126.7%8374
SI/SL
2023-03-31LAD1086.0(91.9)0020.0%8182
SI/SL
2022-10-04SEA991.6(93.2)110.0%---
2022-10-03SEA1590.2(94.2)2013.3%8387
SI/SL
2022-10-01MIN1390.1(93.5)2030.8%8557
SI/SL
2022-09-30MIN2189.1(93.6)2014.3%9374
SI/SL
2022-09-28KC1790.6(93.2)1117.6%8363
SI/SL
2022-09-25CWS2789.9(93.7)027.4%8563
SI/SL
2022-09-23CWS485.3(92.3)1075.0%---
2022-09-20BAL2689.6(92.9)1211.5%8472
SI/SL
2022-09-18CWS1490.8(93.6)000.0%8554
SI/SL
2022-09-13HOU1690.3(94.0)016.3%8355
FF/SL
2022-09-10KC2088.9(93.5)1115.0%8255
FF/SL
2022-09-07LAA1390.7(93.4)100.0%8527
FF/SI
2022-09-06LAA1187.8(93.4)019.1%8377
FF/SL
2022-09-04KC987.6(92.1)0011.1%---
2022-09-02KC1389.4(94.6)000.0%7460
SI/SL
2022-09-01SEA990.2(93.4)1022.2%---
2022-08-28TEX1391.4(93.1)000.0%7525
FF/SI
2022-08-23SF1290.7(93.5)2016.7%8631
FF/SI
2022-08-21LAA1188.9(93.4)1018.2%7775
SI/SL
2022-08-17CLE2490.7(93.3)308.3%8453
SI/SL
2022-08-15CLE987.9(92.9)2022.2%---
2022-08-13CWS1291.1(93.7)1016.7%8224
FF/SI
2022-08-10CLE1389.2(93.1)1023.1%8359
FF/SL
2022-08-06TB1289.4(92.7)108.3%9055
SI/SL
2022-08-05TB1389.0(93.3)2030.8%8857
FF/SL
2022-08-03MIN1288.3(91.8)108.3%8655
FF/SL
2022-08-02MIN989.2(92.0)100.0%---
2022-07-27SD2189.4(93.6)2114.3%7952
FF/SL
2022-07-25SD1788.9(92.0)2017.6%6355
FF/SL
2022-07-23MIN1888.7(92.1)0011.1%8755
SI/SL
2022-07-21ATH2987.8(93.1)1010.3%8268
SI/SL
2022-07-15CLE1886.2(92.5)1111.1%9074
SI/SL
2022-07-12KC1289.1(92.6)1016.7%8661
FF/SL
2022-07-11KC1488.7(93.0)2121.4%8852
SI/SL
2022-07-07CWS1689.6(93.5)0025.0%8960
SI/SL
2022-07-06CLE2189.9(95.1)004.8%8859
SI/SL
2022-07-04CLE1689.0(94.0)1118.8%8156
SI/SL
2022-07-02KC1788.9(94.8)3017.6%8554
FF/SL
2022-06-29SF1289.9(92.7)1116.7%9222
FF/SI
2022-06-28SF1687.6(92.3)1112.5%8359
FF/SL
2022-06-24AZ1689.1(93.4)000.0%8762
SI/SL
2022-06-21BOS1386.5(91.8)007.7%8968
SI/SL
2022-06-19TEX1486.2(94.0)3035.7%8591
SI/SL
2022-06-18TEX1586.9(93.0)3020.0%8577
FF/SL
2022-06-13CWS2187.9(93.0)2019.0%8661
SI/SL
2022-06-11TOR592.4(93.1)000.0%---
2022-06-08PIT1286.5(92.6)2141.7%8676
SI/SL
2022-06-04NYY884.7(91.5)1037.5%---
2022-06-02MIN1587.0(92.1)116.7%8561
FF/SL
2022-05-31MIN987.7(91.1)000.0%---
2022-05-29CLE986.6(91.1)000.0%---
2022-05-25MIN885.5(92.4)1037.5%---
2022-05-23MIN1388.5(90.5)010.0%8729
FF/SI
2022-05-22CLE1687.4(93.1)1018.8%8466
SI/SL
2022-05-16TB987.2(91.7)000.0%---
2022-05-14BAL1788.9(91.8)2017.6%8754
SI/SL
2022-05-13BAL885.4(91.6)1037.5%---
2022-05-10ATH1788.4(92.3)105.9%8756
SI/SL
2022-05-09ATH585.3(90.6)1020.0%---
2022-05-06HOU1090.5(91.6)010.0%9625
FF/SI
2022-05-04PIT1089.5(91.8)1010.0%90--
2022-05-01LAD1688.3(92.7)2031.3%8358
SI/SL
2022-04-29LAD1186.2(90.9)1027.3%8160
SI/SL
2022-04-27MIN1888.1(91.4)100.0%8030
FF/SI
2021-09-29SEA2090.5(93.6)010.0%8463
SI/SL
2021-09-26HOU2190.4(93.2)2119.0%8759
SI/SL
2021-09-25HOU989.9(92.5)1022.2%---
2021-09-23SEA985.2(92.6)0022.2%---
2021-09-22SEA987.0(90.4)1022.2%---
2021-09-18LAA1786.8(92.8)0111.8%8366
FF/SL
2021-09-16KC1587.0(93.3)2033.3%8477
SI/SL
2021-09-15KC2689.9(93.7)123.8%8455
SI/SL
2021-09-11TEX688.5(92.0)0016.7%---
2021-09-09CWS1390.0(92.3)000.0%8623
FF/SI
2021-09-08CWS2290.3(93.9)109.1%8758
SI/SL
2021-09-02DET1787.2(93.1)205.9%8567
SI/SL
2021-08-31DET1389.5(93.7)2015.4%9054
SI/SL
2021-08-29NYY991.9(92.8)200.0%---
2021-08-28NYY1287.9(92.2)1016.7%8066
SI/SL
2021-08-26NYY1288.9(93.0)000.0%8761
SI/SL
2021-08-23SEA2287.8(93.1)209.1%8665
SI/SL
2021-08-21SF1490.5(92.7)000.0%9124
FF/SI
2021-08-19CWS1690.5(92.2)116.3%8722
FF/SI
2021-08-18CWS1190.8(92.8)100.0%83--
2021-08-14TEX1688.8(92.0)010.0%8722
FF/SI
2021-08-10CLE790.7(91.8)1042.9%---
2021-08-08TEX989.7(93.0)2022.2%---
2021-08-06TEX1488.2(92.9)2028.6%8768
FF/SL
2021-08-04SD1188.1(91.1)109.1%87--
2021-08-01LAA1090.0(92.3)000.0%78--
2021-07-31LAA888.3(91.4)1012.5%---
2021-07-28SD1688.9(92.3)1012.5%8673
FF/SL
2021-07-24AZ2189.8(93.3)024.8%8760
SI/SL
2021-07-21STL1186.6(91.6)1027.3%8467
SI/SL
2021-07-16AZ1291.1(93.7)108.3%88--
2021-07-09STL490.3(93.7)100.0%---
2021-07-07PHI2589.9(94.7)2020.0%8764
SI/SL
2021-07-04CIN883.3(84.3)1062.5%---
2021-07-02CIN1290.9(93.7)1016.7%88--
2021-06-28MIL1291.5(93.0)008.3%9624
FF/SI
2021-06-25LAD790.0(92.3)1028.6%---
2021-06-24LAD1591.2(93.3)010.0%8820
FF/SI
2021-06-22CLE790.9(93.5)000.0%---
2021-06-20MIA991.3(93.7)1022.2%---
2021-06-17NYM1089.9(93.5)1010.0%8368
SI/SL
2021-06-12STL2291.2(95.0)109.1%8758
FF/SL
2021-06-08SD1091.8(93.7)1010.0%8532
FF/SI
2021-06-06SF790.3(94.1)000.0%---
2021-06-01SD1187.4(94.0)009.1%8493
SI/SL
2021-05-31SD892.2(94.8)1025.0%---
2021-05-28CIN2090.8(95.0)105.0%8760
SI/SL
2021-05-26PIT484.6(91.5)1025.0%---
2021-05-25PIT584.4(91.7)1060.0%---
2021-05-23STL1489.1(94.5)017.1%8287
SI/SL
2021-05-20WSH792.3(94.7)000.0%---
2021-05-17WSH1792.2(94.3)020.0%9026
FF/SI
2021-05-14DET987.4(92.5)1044.4%---
2021-05-12CLE2290.2(93.5)209.1%8667
FF/SL
2021-05-08PIT1389.2(92.2)1115.4%80--
2021-05-07PIT2092.0(94.4)110.0%9198
SI/SL
2021-05-04LAD1490.3(94.5)1021.4%9068
SI/SL
2021-05-02CIN1488.1(95.8)107.1%8389
SI/SL
2021-05-01CIN1091.3(94.5)1010.0%84--
2021-04-29ATL689.5(95.6)0016.7%---
2021-04-26ATL2187.2(93.9)119.5%8469
FF/SL
2021-04-24MIL1989.6(93.0)000.0%8463
SI/SL
2021-04-22NYM1586.4(93.1)2020.0%8071
SI/SL
2021-04-20NYM1787.2(93.8)0011.8%7596
SI/SL
2021-04-18ATL591.0(94.3)100.0%---
2021-04-13MIL2289.9(94.5)114.5%8255
SI/SL
2021-04-12MIL2089.5(93.3)005.0%8262
SI/SL
2021-04-07MIL1389.9(94.8)2015.4%8559
FF/SL
2021-04-05MIL1987.3(92.7)4026.3%8763
FF/SL
2021-04-03PIT1689.3(93.8)2018.8%9372
SI/SL
2021-04-01PIT1493.1(94.8)0114.3%9141
FF/SI
2020-09-30MIA289.2(93.7)000.0%---
2020-09-27CWS690.8(94.0)100.0%---
2020-09-25CWS1393.9(94.8)107.7%93--
2020-09-22PIT1490.8(94.8)1014.3%8558
SI/SL
2020-09-20MIN1491.5(94.4)000.0%79--
2020-08-17ATH894.0(95.5)000.0%---
2020-08-14SD2191.7(94.2)104.8%8350
SI/SL
2020-08-12COL1693.0(94.9)2012.5%8316
FF/SI
2020-08-10COL1593.4(95.2)000.0%8026
FF/SI
2020-08-08SD1191.8(95.8)200.0%7478
FF/SL
2020-08-06HOU391.3(95.3)000.0%---
2020-08-02LAD1889.0(94.9)2011.1%8671
FF/SL
2020-07-29TEX1686.4(93.9)0131.3%7668
FF/SL
2020-07-28TEX686.7(93.6)1033.3%---
2020-07-26SD1489.6(94.8)027.1%8261
FF/SL
2020-07-25SD1391.0(94.1)2115.4%8456
SI/SL