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The Catcher's base impact

The Proven Formula to Measure and Improve Your Defensive Impact Behind the Plate

Download our step-by-step breakdown of the CBI Formula to track your defensive performance, balance bases allowed versus bases saved, and measure your overall impact as a catcher. 

Unlock Your Defensive Edge with the Catcher Base Impact (CBI) Chart

Unlock Your Defensive Edge with the Catcher Base Impact (CBI) Chart

Elite catchers control the game. They don’t just catch pitches—they prevent free bases, shut down runners, and make game-changing plays. The Catcher Base Impact (CBI) formula gives you the power to track your defensive performance like never before.

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Stat Tracker

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Target Users

This chart is designed for catchers and coaches looking to elevate their defensive skills.

Expertise

Gulino Baseball is renowned for training elite baseball players, ensuring top-tier performance and skill development.

Motivational Tone

Our content is action-driven, motivating athletes to take charge of their development and reach new heights.

Stat Tracker

Discover
IMG_5323 4_edited.jpg

Target Users

This chart is designed for catchers and coaches looking to elevate their defensive skills.

Expertise

Gulino Baseball is renowned for training elite baseball players, ensuring top-tier performance and skill development.

Motivational Tone

Our content is action-driven, motivating athletes to take charge of their development and reach new heights.

Stat Tracker

Discover

Target Users

This chart is designed for catchers, infielders, outfielders, and coaches looking to elevate their defensive skills.

Expertise

Gulino Baseball is renowned for training elite baseball players, ensuring top-tier performance and skill development.

Motivational Tone

Our content is action-driven, motivating athletes to take charge of their development and reach new heights.

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What is the 
CBI Formula?

The CBI (Catcher Base Impact) formula quantifies how well a catcher prevents base advancements. It balances bases allowed versus bases saved, giving you a single number that measures your overall defensive impact.

CBI Formula:

CBI = (SBA + ABA + E_c + CI) - (CS + PO + BlkB + AP)
 

A lower (or negative) CBI means you’re preventing bases and dominating behind the plate. A higher CBI means there’s room to improve.

What Does the CBI Chart Track?

Bases Allowed (Hurts CBI, Higher is Worse)

  • ❌ SBA (Stolen Base Attempts Against):

    • Runners trying to steal while you're catching.

  • ❌ ABA (Allowed Base Advances):

    • Passed balls, wild pitches, and defensive misplays.

  • ❌ E_c (Errors by Catcher):

    • Throwing errors, dropped balls, and mistakes that let runners advance.

  • ❌ CI (Catcher’s Interference):

    • Giving batters a free base due to interference.

Bases Saved (Helps CBI, Higher is Better)

  • ✅ CS (Caught Stealing):

    • Runners thrown out on steal attempts.

  • ✅ PO (Pickoffs):

    • Successful back picks and pickoff plays.

  • ✅ BlkB (Blocking Bases):

    • Stopping wild pitches and passed balls from advancing runners.

  • ✅ AP (Advanced Plays):

    • Smart, game-changing defensive plays.

What is the CBI Formula?

The CBI (Catcher Base Impact) formula quantifies how well a catcher prevents base advancements. It balances bases allowed versus bases saved, giving you a single number that measures your overall defensive impact.

CBI Formula:

CBI = (SBA + ABA + E_c + CI) - (CS + PO + BlkB + AP)
 

A lower (or negative) CBI means you’re preventing bases and dominating behind the plate. A higher CBI means there’s room to improve.

What Does the CBI Chart Track?

Bases Allowed (Hurts CBI, Higher is Worse)

  • ❌ SBA (Stolen Base Attempts Against):

    • Runners trying to steal while you're catching.

  • ❌ ABA (Allowed Base Advances):

    • Passed balls, wild pitches, and defensive misplays.

  • ❌ E_c (Errors by Catcher):

    • Throwing errors, dropped balls, and mistakes that let runners advance.

  • ❌ CI (Catcher’s Interference):

    • Giving batters a free base due to interference.

Bases Saved (Helps CBI, Higher is Better)

  • ✅ CS (Caught Stealing):

    • Runners thrown out on steal attempts.

  • ✅ PO (Pickoffs):

    • Successful back picks and pickoff plays.

  • ✅ BlkB (Blocking Bases):

    • Stopping wild pitches and passed balls from advancing runners.

  • ✅ AP (Advanced Plays):

    • Smart, game-changing defensive plays.

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Our Story

At Gulino Baseball, we believe that defense wins championships—and that starts behind the plate. Founded by Michael Gulino, our mission is to develop elite baseball players by focusing on the details that truly matter. Through advanced training, mentorship, and a relentless focus on improvement, we help athletes build the skills, mindset, and confidence to dominate the game.

With years of experience coaching and developing catchers, we created the CBI formula to give players a clear way to measure and improve their defensive impact. This stat isn’t just numbers—it’s a roadmap to becoming a complete defensive player.

Start tracking your performance today, and take the first step toward becoming the game-changer behind the plate!

Player Reviews

Tracking my CBI completely changed how I approach the game. I can see exactly where I need to improve, and my defense has never been sharper!"

Jake M.

High School Catcher

"As a coach, this chart is a game-changer. It gives me real data to help my players refine their defensive skills and dominate behind the plate."

Coach Ryan T.

I always thought I was solid defensively, but the CBI chart showed me where I was giving away bases. Now, I’ve lowered my CBI and become a true asset to my team!

Alex S.

College Catcher

Scouts want numbers, and CBI gives them just that. This stat helped me showcase my defensive impact and stand out in recruitment.

Mark D.

Collegiate Prospect

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Your path to success is just one click away...

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