82
Velocity (max)
12/06/24
CLASS OF 2027
RHP
I-Chin
TSAI 蔡易晉
Yingge Vocational High School (HS) • TW
5' 11" • 156.8LBS
R/R • 16yr 1mo
5' 11" • 156.8LBSR/R • 16yr 1mo
Rankings
2027 National
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
79 - 82
Velo Range
12/06/24
1985
Spin Rate (avg)
12/06/24
Changeup
71.8 - 74
Velo Range
12/06/24
1255
Spin Rate (avg)
12/06/24
Curveball
65.4 - 68.3
Velo Range
12/06/24
1796
Spin Rate (avg)
12/06/24
Slider
65.9 - 71.4
Velo Range
12/06/24
1728
Spin Rate (avg)
12/06/24
Positional Tools
Hitting
Hitting
Pitching
2024
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Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
82.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
80.5
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1985
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
24.7
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
66.9
Curveball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1796
Curveball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
72.9
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1255
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
68.8
Slider
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1728
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Taiwan Select Showcase
Dec 6, 2024
Trackman - Fastball
82.0
Velocity (max)
79.0 - 82.0
Velo Range
80.3
Eff Velocity (avg)
2,071
Spin Rate (max)
1,985
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
68.6
Velocity (max)
65.4 - 68.3
Velo Range
67.9
Eff Velocity (avg)
1,847
Spin Rate (max)
1,796
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
71.4
Velocity (max)
65.9 - 71.4
Velo Range
69.4
Eff Velocity (avg)
1,856
Spin Rate (max)
1,728
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
74.1
Velocity (max)
71.8 - 74.0
Velo Range
72.1
Eff Velocity (avg)
1,425
Spin Rate (max)
1,255
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
Pitching Velos
Game Performance
Vizual Edge
Pitch Ai
Notes
Comments
Draft Reports
Contact
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Physical
2024
Grip Strgth (LH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (RH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
姓名： 蔡易晉
學校： 新北鶯歌高級工商職業學校 守備位置： 投手 投打方向： 右投（開放式四分之三姿勢） / 右打 身高： 5呎11吋 體重： 156.8磅 屬於瘦長型體型 投球數據分析： 直球： 速度範圍： 79.0 ~ 82.0 mph 最快球速： 82.0 mph 轉速： 最快2071 rpm，平均1985 rpm 垂直位移： 最大22.8，平均18.5 出手延伸： 6.2 旋轉效率： 96% 滑球： 速度範圍： 65.9 ~ 71.4 mph 最快球速： 71.4 mph 轉速： 最快1856 rpm，平均1728 rpm 垂直位移： 最大5.2，平均1.6 橫向位移： 最大-7.9，平均-10.2 出手延伸： 6.0 Zone %： 50% 曲球： 速度範圍： 65.4 ~ 68.3 mph 最快球速： 68.6 mph 轉速： 最快1847 rpm，平均1796 rpm 垂直位移： 最大1.8，平均-1.2 橫向位移： 最大-1.5，平均-5.6 出手延伸： 5.9 變速球： 速度範圍： 71.8 ~ 74.0 mph 最快球速： 74.1 mph 轉速： 最快1425 rpm，平均1255 rpm 垂直位移： 最大10.6，平均6.2 橫向位移： 最大12.8，平均9.9 旋轉效率： 84% 出手延伸： 5.8
綜合評價
擁有穩定的直球表現與不錯的球種變化能力。直球的高旋轉效率與良好的垂直位移讓其能夠有效壓制打者，並且具有長期進步的潛力。滑球的橫向位移強化了其打擊壓制力，隨著進一步的磨練，這顆球種未來將具有更大的威脅。曲球與變速球的發展仍有空間，尤其在控制與位移上，未來若能加強其變化與速度差距，將會使蔡易晉的投球武器更為多元。整體而言，蔡易晉在目前的數據上已展現出扎實的基礎，並且在未來有很大的發展潛力。
Player Name: I-Chin Tsai
School: Yingge Vocational High School (New Taipei) Position: RHP Throwing Style: RHP (Open 3/4 arm slot) Batting Style: RHH Height: 5'11" Weight: 156.8 lbs Physical Profile: Long and lean build with projectable athleticism. Pitching Metrics Fastball: Velocity Range: 79.0–82.0 mph (Max: 82.0 mph) Spin Rate: Max 2071 RPM, Avg 1985 RPM Vertical Break: Max 22.8 in, Avg 18.5 in Extension: 6.2 ft Spin Efficiency: 96% Slider: Velocity Range: 65.9–71.4 mph (Max: 71.4 mph) Spin Rate: Max 1856 RPM, Avg 1728 RPM Vertical Break: Max 5.2 in, Avg 1.6 in Horizontal Break: Max -7.9 in, Avg -10.2 in Extension: 6.0 ft Zone %: 50% Curveball: Velocity Range: 65.4–68.3 mph (Max: 68.6 mph) Spin Rate: Max 1847 RPM, Avg 1796 RPM Vertical Break: Max 1.8 in, Avg -1.2 in Horizontal Break: Max -1.5 in, Avg -5.6 in Extension: 5.9 ft Changeup: Velocity Range: 71.8–74.0 mph (Max: 74.1 mph) Spin Rate: Max 1425 RPM, Avg 1255 RPM Vertical Break: Max 10.6 in, Avg 6.2 in Horizontal Break: Max 12.8 in, Avg 9.9 in Spin Efficiency: 84% Extension: 5.8 ft
Overall Evaluation
I-Chin Tsai demonstrates solid fastball performance with impressive spin efficiency and vertical break, making it an effective tool for suppressing hitters. His slider, with its strong horizontal movement, enhances his ability to challenge batters, and with further refinement, it could become a more impactful weapon. The curveball and changeup, while functional, still have room for development, particularly in terms of command and movement. Improving their variation and speed differentials would add greater depth and deception to his pitch arsenal. Overall, Tsai’s current metrics reflect a solid foundation and considerable growth potential. His fastball and slider already show promise as reliable pitches, and with continued refinement, he has the potential to develop a more diverse and effective repertoire, positioning him as a pitcher with strong long-term upside.