PDI — Player Development Index (0–100)▼
Development-weighted composite score for age 8 baseball. Skills weighted by developmental importance:
Hitting 25% — hand-eye coordination, #1 differentiator
Throwing 22% — arm mechanics predict defensive ceiling
Grounders 20% — most common play type at 8U
Running 18% — athleticism & speed indicator
Pop Ups 15% — last skill to develop at age 8
Attendance bonus: Excellent +3, Good +1 | Season weights: Shootout 50%, Summer 30%, Spring 20%
Trend arrows: ▲ improving, ▼ declining, ▬ stable across seasons | Comment Score: 1–10 from coach comment analysis | Coachable: X = positive attitude/effort flagged in comments