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Seth Halvorsen

Seth Halvorsen

Colorado RockiesMLB

ID: 678020

42
Outings
640
Total Pitches
36
Strikeouts
19
Walks
1.89
K/BB

Proprietary Metrics

42 games • 640 pitches

74Tunnel ScoreRelease point similarity
57SeparationMovement divergence
-47CLICount leverage index
-562-Strike CLITwo-strike dominance
83%EntropyPitch unpredictability
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.
Count Leverage Index (CLI): Measures performance in high-leverage counts vs league average. Positive values indicate outperforming (dominant in crucial counts like 0-2, 1-2), while negative values indicate underperforming.
2-Strike CLI: Specifically measures effectiveness with two strikes. Elite closers and strikeout pitchers tend to have high 2-strike CLI values.
Entropy (0-100%): Measures pitch sequencing unpredictability using Shannon entropy. Higher entropy means the pitcher is harder to predict—they don't follow patterns. Note: too high may indicate lack of go-to pitches.

Arsenal Over Time

All Outings (54)

DateOppPitchesVeloKBBSwStr%TunnelSepPair2K CLI
2025-08-02PIT597.4(100.2)000.0%----
2025-07-28CLE2796.2(101.0)127.4%7434
FF/FS
-50
2025-07-25BAL1199.1(101.1)009.1%53---
2025-07-22STL1497.0(101.4)1128.6%8873
FF/SL
-
2025-07-18MIN1799.1(102.1)2017.6%69---
2025-07-09BOS2293.8(99.1)019.1%7563
FF/SL
-100
2025-07-06CWS1298.2(101.0)018.3%63---
2025-07-03HOU2696.0(103.3)1011.5%6460
FF/SL
-50
2025-06-29MIL2995.8(102.2)1110.3%6965
FF/SL
-67
2025-06-26LAD891.2(100.5)100.0%----
2025-06-22AZ1295.0(101.9)1041.7%7049
FF/FS
-
2025-06-19WSH491.7(99.5)000.0%----
2025-06-18WSH1496.6(102.1)207.1%7540
FF/FS
-
2025-06-16WSH1598.8(101.4)010.0%78---
2025-06-12SF1395.5(101.3)117.7%74---
2025-06-10SF1293.1(101.0)2033.3%6973
FF/SL
-
2025-06-08NYM1895.2(102.5)2011.1%7657
FF/SL
-
2025-06-03MIA1596.9(101.7)0013.3%8683
FF/SL
-
2025-06-02MIA1797.2(102.1)105.9%6890
FF/SL
-
2025-05-30NYM1194.6(100.7)000.0%7488
FF/SL
-
2025-05-27CHC894.7(100.3)010.0%----
2025-05-25NYY1995.4(101.1)1010.5%7275
FF/SL
-
2025-05-23NYY1397.7(101.9)1115.4%74---
2025-05-19PHI1993.8(101.9)1026.3%7455
FF/SL
-
2025-05-17AZ1498.1(102.9)010.0%6831
FF/FS
-
2025-05-16AZ2193.8(102.3)010.0%7265
FF/SL
-100
2025-05-11SD1096.8(101.9)1020.0%7237
FF/FS
-
2025-05-09SD1496.0(101.5)2035.7%7967
FF/SL
-
2025-05-07DET2494.8(101.4)3120.8%7351
FF/SL
+50
2025-05-04SF694.2(99.8)000.0%----
2025-04-30ATL1596.2(101.6)2026.7%7035
FF/FS
-
2025-04-29ATL1295.1(100.5)000.0%7451
FF/SL
-
2025-04-26CIN895.7(100.9)000.0%----
2025-04-25CIN1196.7(100.9)109.1%81---
2025-04-22KC1195.0(101.1)0018.2%7542
FF/FS
-
2025-04-20WSH2194.7(100.9)2014.3%8547
FF/SL
-
2025-04-15LAD2693.7(101.0)0115.4%7659
FS/SL
-100
2025-04-10MIL1293.5(98.7)1116.7%7640
FF/FS
-
2025-04-09MIL2896.5(101.1)137.1%8348
FF/SL
-33
2025-04-04ATH2091.9(99.4)2030.0%7455
FF/FS
-
2025-04-02PHI1294.9(100.3)1116.7%8163
FF/FS
-
2025-03-29TB1494.6(100.1)107.1%7756
FF/SL
-
2024-09-29LAD2193.9(102.2)3023.8%7355
FF/SL
+14
2024-09-26STL1498.0(102.5)107.1%6549
FF/FS
-
2024-09-22LAD793.7(100.6)0014.3%----
2024-09-21LAD2394.5(100.5)1213.0%7654
FF/FS
-50
2024-09-16AZ2495.6(101.1)208.3%8055
FF/SL
-33
2024-09-13CHC1396.3(99.9)1015.4%68---
2024-09-12DET1295.3(100.6)1025.0%6551
FF/FS
-
2024-09-08MIL1794.7(100.7)105.9%7765
FF/SL
-
2024-09-06MIL1895.9(101.9)0016.7%6346
FF/FS
-
2024-09-04ATL1695.7(101.1)2018.8%7284
FF/SL
-
2024-08-31BAL1394.1(101.5)100.0%5743
FF/FS
-
2024-08-30BAL199.8(99.8)000.0%----