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ATP, Advanced Therapy and Performance
Tyler Easterbrook

Right-handed pitcher · Tufts University commit

Tyler Easterbrook

Throw hard enough to pitch in college.

Outcome

Fastball 76 to 89.9 mph in two and a half years. Darien High School and Deerfield Academy to Tufts.

Fastball
76to89.9mph
College
Tufts commit

Where it started.

A Darien sophomore whose first Perfect Game reading, three months after he started at ATP, was 76 mph.

What they wanted

A fastball that would get him recruited.

What ATP saw.

ATP evaluated 3 of the seven domains for this case. The lit circles are where the history sent us. Tap any circle to see what ATP looks at there.

Working diagnosis

The record shows a steady climb rather than a jump: 76 in September 2022, three months in, and 89.9 by March 2025, 30 months later, with the strength and the delivery built in the same building.

Tyler Easterbrook

Capacity · Skill · RecoveryTap a circle to see what ATP looks at there.

In order.

What came first, and what came after.

  1. Priority 1: Strength and bodyweight

  2. Priority 2: Rate of force development into the delivery

  3. Priority 3: Throwing at intent on a program

What changed.

September 2022 to March 2025, 30 months

  • 01Fastball 76 mph (Perfect Game, September 2022) to 89.9 mph (Prep Baseball Report, March 2025), up to 90 by June 2025
  • 02Six innings and nine strikeouts in a Darien win, April 2024
  • 03Committed to Tufts University
  • 04Postgraduate year at Deerfield Academy, class of 2026

On the record

  1. 2022-09-22Perfect Game fastball reading76 mphPerfect Game ("+12 mph since 09/22/2022")
  2. 2024-04Darien 2, New Fairfield 16 innings, 9 strikeoutsDarien Blue Wave Baseball on X
  3. 2025-03-01Prep Baseball Report reading89.9 mph max, 88.4 to 89.6 rangePrep Baseball Report
  4. 2025-06Up to 90 at a Prep Baseball New England eventPrep Baseball New England on X
  5. 2025-07-24Perfect Game reading vs Indiana Mustangs 17U National88 mphPerfect Game
  6. 2025-07-29Committed to Tufts UniversityPrep Baseball Report

Now

NowDeerfield Academy, class of 2026. Tufts University commit.

Reviewing findings together at ATP

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