MLB Regression Flagger

Table of Contents

• Example
• Workflow
• Common Patterns
• Guardrails
• Quick Reference

Example

Scenario: User asks "Is Junior Caminero a buy-low candidate or am I chasing noise?"

Raw data gathered from Baseball Savant + FanGraphs (cite URLs):

• Caminero 2026 wOBA: .310 (actual results)
• Caminero 2026 xwOBA: .380 (expected based on exit velocity + launch angle)
• BABIP: .255 (well below .300 league mean)
• Barrel %: 14.2% (elite, 90th percentile)
• Hard-Hit %: 52% (elite)