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BLAST’S CORE METRICS

Before we assess individual performers, it’s critical to understand the value and application of each metric and average and top numbers at each level.

BAT SPEED

Definition: The velocity of the bat barrel at contact, measured in miles per hour (mph).

Why It Matters: Higher bat speed increases exit velocity potential and improves a hitter’s ability to drive the ball with authority. It is the foundational predictor of raw power.

Benchmarks for top recruits:

Elite: 73-plus mph
Above-Average: 69-72 mph
Developmental: Below 65 mph (depending on age/class)

ROTATIONAL ACCELERATION

Definition: Measures how quickly (forcefully) a hitter’s bat accelerates into the swing (measured in Gs).

Why It Matters: High RA allows hitters to delay their swing decisions and still generate a high level of power—a crucial skill against velocity and pitch sequencing. It brings down time to contact and is a player’s power ceiling.

Benchmarks:

Elite: 17g or higher
Competitive: 12-16.9g
Work on it: Below 12g

On-Plane Efficiency% (OPE)

Definition: The percentage of the swing in which the bat barrel is on the same plane. Paired with a positive attack angle, it will keep the bat “on the ball” for a longer period of time.

Why It Matters: High OPE indicates an efficient swing and usually more opportunity for contact. It improves barrel control and raises both batting average and contact quality.

Benchmarks:

Elite: 80% or higher
Very Good: 70-79%
Needs Improvement: Below 60%

Peak Hand Speed

Definition: Maximum speed of the hands during the swing.

Why It Matters: High hand speed allows for better reaction time, quicker barrel path initiation, and effective swing adjustments, especially against advanced pitching.

Benchmarks:

Elite: 23-plus mph
Strong: 20-22.9 mph
Developing: <18 mph
For a complete list of Blast Motion metrics and averages by age/level of play, click here.

Hand Speed

Bat Speed

Rotational Acceleration

On-Plane Efficiency