Yu-Chia
Cheng 鄭宇家

球探報告：鄭宇家

基本資料 學校：南市崇明國中 守備位置：游擊 / 投手 投打習性：右投（高壓類型） / 右打 身高 / 體重：5呎9吋 / 164磅 體型適中 打擊數據 Sweet Spot%：50% 擊球初速：最快79.2英里 / 平均75.2英里 擊球距離：最遠218英尺 擊球類型：平飛50% / 滾地50% 守備數據 內野臂力速度：73英里 守備能力：判斷與步伐流暢性普通 投球數據 直球 速度：最快77.9英里 / 範圍75.9~77.8英里 轉速：最快2394 / 平均2339 最大垂直位移：20.1英里 / 平均16.6英里 橫向位移：較少，帶有自然卡特效果 出手延伸：5.8英尺 特色：出色的轉速與垂直位移，能有效壓制打者 滑球 速度：最快68.3英里 / 範圍66.3~68.3英里 轉速：最快2273 / 平均2186 出手延伸：5.6英尺 Zone%：100% 旋轉效率：36%，對滑球來說相對較佳 曲球 速度：最快68.6英里 / 範圍63.3~67.1英里 轉速：最快2302 / 平均2139 最大垂直位移：-0.7英里 / 平均-4.2英里 最大橫向位移：-8.7英里 / 平均-13.0英里 Zone%：60%

綜合評價
鄭宇家是一名兼具投打能力的全能型選手。內野臂力表現良好，具備游擊手應有的基本素質。打擊方面，他的Sweet Spot%與平飛球比例優秀，展現穩定的擊球能力。投球部分，他的直球以優異的轉速與垂直位移為亮點，帶有自然卡特效果，具備發展高壓投手的潛力；滑球的旋轉效率與區域控球表現出色，是其投球武器之一。曲球則以良好的橫向位移補足多元性。

Player Name: Yu-Chia Cheng

School: Tainan Chongming Junior High School Position: Shortstop / Pitcher B/T: Right (High-Overhead Delivery) / Right Height/Weight: 5'9" / 164 lbs Physical Attributes Cheng has an average build, with balanced physical attributes suitable for his roles as a shortstop and pitcher. Hitting Metrics Sweet Spot Percentage: 50% Exit Velocity: Max: 79.2 mph Average: 75.2 mph Longest Hit Distance: 218 feet Batted Ball Distribution: Line Drive: 50% / Ground Ball: 50% Cheng demonstrates solid hitting fundamentals, with a high Sweet Spot percentage and consistent line drive contact. His ability to generate line drives highlights his potential to develop into a reliable hitter. Defensive Metrics Infield Arm Velocity: 73 mph Defensive Performance: Shows average fluidity in judgment and footwork, maintaining a steady presence on defense. Defensively, Cheng's arm strength and stable mechanics make him a dependable shortstop, capable of handling routine plays effectively. Pitching Metrics Fastball: Velocity: 75.9–77.9 mph (Max 77.9 mph) Spin Rate: 2339 RPM (Average) / 2394 RPM (Max) Vertical Break: 16.6 inches (Average) / 20.1 inches (Max) Lateral Movement: Minimal, with a natural cutter-like effect Extension: 5.8 feet Key Feature: High spin rate and vertical movement make it a challenging pitch for hitters. Slider: Velocity: 66.3–68.3 mph (Max 68.3 mph) Spin Rate: 2186 RPM (Average) / 2273 RPM (Max) Extension: 5.6 feet Zone Percentage: 100% Spin Efficiency: 36%, a strong value for a slider. Curveball: Velocity: 63.3–68.6 mph (Max 68.6 mph) Spin Rate: 2139 RPM (Average) / 2302 RPM (Max) Vertical Break: -4.2 inches (Average) / -0.7 inches (Max) Horizontal Break: -13.0 inches (Average) / -8.7 inches (Max) Zone Percentage: 60% Cheng’s fastball is the highlight of his pitching arsenal, combining excellent spin rate and vertical movement with a subtle cutter effect, creating difficulties for opposing hitters. His slider is another strong weapon, featuring good spin efficiency and exceptional zone control. The curveball adds diversity to his repertoire, providing horizontal movement that complements his other pitches.

Overall Evaluation
Yu-Chia Cheng is a versatile player with strong two-way potential as both a shortstop and a pitcher. Defensively, his infield arm strength is solid, meeting the fundamental requirements for a shortstop. At the plate, Cheng’s Sweet Spot percentage and line drive rate highlight his consistent hitting ability, with his longest hit reaching 218 feet. On the mound, his fastball stands out with exceptional spin rate and vertical movement, complemented by a natural cutter-like effect, making it a formidable pitch. His slider demonstrates good spin efficiency and excellent zone control, serving as one of his key weapons, while his curveball adds diversity with strong horizontal movement. With further refinement in mechanics and development of his overall skill set, Cheng has significant potential to excel as a dual-threat player.