North Bay Open: Blast Motion Leaderboard
September 10, 2021
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YOUNTVILLE, CALIF. - The event was held at historic Borman Field, on the premises of the Veteran's Home of California in the heart of scenic Napa Valley. Nearly 30 players came out to the open event, many showcasing themselves for the first time. The event was heavy on 2023/2024 grads, with a couple of talented 2022s in attendance and a 2025 sure to draw plenty of attention in the coming years.
As an open event, this was conducted as a straight traditional showcase, 60 yard run, BP round, defensive workouts and pitchers ending the day on the mound throwing 15-20 pitch sessions.
One of the important tools Prep Baseball Report has implemented at its events is the use of Blast Motion sensors. During batting practice, the Blast Motion sensors measure Swing and Impact Metrics across several categories. Swing metrics measure pre-impact mechanics centered around plane, connection, and rotation while impact metrics measure pre-impact performance outcomes based on ball contact.
With the Blast Motion sensor, we were able to collect data from each swing taken by each prospect at BAWS 2021. The metrics collected include: Bat Speed, On Plane Efficiency, Peak Hand Speed, and Rotational Acceleration.
Each player has their Blast Motion metrics uploaded into their profiles following the completion of the event providing insight into areas that could be improved upon as well as helping paint a clear picture of the player to the college and professional scouts doing their research on prospects they may be interested in.
We will roll out more data from this event in the coming days and weeks.
(Note: All showcase videos have been added to players profiles.)
CLICK HERE FOR SORTABLE PLAYER STATISTICS INCLUDING TRACKMAN AND BLAST MOTION DATA
CATEGORIAL LEADERBOARDS
Bat Speed
Bat Speed is the observed speed of the sweet spot of the bat at impact. For more info: Blast Bat Speed
MLB Avg: 66-78 mph | MiLB: 63-75 mph | College: 66-75 mph
Rank | Name | State | School | Class | Pos | Bat Speed (max) |
1 | Dylan Snider | CA | Napa | 2022 | C | 75.7 mph |
2 | Royce Alvarez | CA | Woodcreek | 2023 | OF | 74.2 mph |
3 | Alec Nava | CA | De La Salle | 2022 | 2B | 72.4 mph |
4 | Ian Fernandez | CA | Vintage | 2024 | C | 70.6 mph |
5 | Ethan Louie | CA | Woodcreek | 2023 | OF | 70.4 mph |
6 | Jack Alcayaga | CA | Sonoma Valley | 2022 | C | 68.6 mph |
7 | Dante Overholser | CA | Cardinal Newman | 2024 | 1B | 66.5 mph |
8 | Caze Derammelaere | CA | Rancho Cotate | 2023 | SS | 65.9 mph |
^ | Colby Chambers | ID | Rocky Mountain | 2024 | LHP | 65.9 mph |
9 | Kai Koizumi | CA | Will C Wood | 2023 | OF | 65.1 mph |
10 | Noah Piersig | CA | Vintage | 2024 | RHP | 64.6 mph |
11 | Kai Croshal | CA | Design Tech | 2024 | SS | 64.1 mph |
12 | Jeffrey Rice | CA | Casa Grande | 2024 | OF | 63.1 mph |
13 | Dario Freschi | CA | Vintage | 2025 | SS | 62.4 mph |
^ | Graham Chapouris | CA | Napa | 2023 | OF | 62.4 mph |
14 | Gabe Garcia | CA | Colfax | 2023 | RHP | 60.8 mph |
15 | Jack Colby | CA | Petaluma | 2024 | RHP | 60.4 mph |
Average Bat Speed
Rank | Name | State | School | Class | Pos | Bat Speed (avg) |
1 | Royce Alvarez | CA | Woodcreek | 2023 | OF | 72.2 mph |
2 | Dylan Snider | CA | Napa | 2022 | C | 69.5 mph |
3 | Ethan Louie | CA | Woodcreek | 2023 | OF | 68.1 mph |
4 | Ian Fernandez | CA | Vintage | 2024 | C | 67.9 mph |
5 | Alec Nava | CA | De La Salle | 2022 | 2B | 67.9 mph |
6 | Jack Alcayaga | CA | Sonoma Valley | 2022 | C | 65.8 mph |
7 | Colby Chambers | ID | Rocky Mountain | 2024 | LHP | 64.1 mph |
8 | Caze Derammelaere | CA | Rancho Cotate | 2023 | SS | 62.8 mph |
9 | Noah Piersig | CA | Vintage | 2024 | RHP | 62.6 mph |
10 | Jeffrey Rice | CA | Casa Grande | 2024 | OF | 61.6 mph |
11 | Dario Freschi | CA | Vintage | 2025 | SS | 60.8 mph |
12 | Dante Overholser | CA | Cardinal Newman | 2024 | 1B | 60.7 mph |
13 | Kai Croshal | CA | Design Tech | 2024 | SS | 60.5 mph |
14 | Kai Koizumi | CA | Will C Wood | 2023 | OF | 59.4 mph |
15 | Jack Colby | CA | Petaluma | 2024 | RHP | 59.2 mph |
Peak Hand Speed
Peak Hand Speed is the observed maximum speed as measured on the handle of the bat (measured six inches from the knob of the bat). Peak Hand Speed will occur prior to the moment of impact, very close to the commit time in the swing when the wrists unhinge. For more info: Peak Hand Speed
MLB Avg: 23-29 mph | MiLB Avg: 22-28 mph | College Avg: 21-24 mph
Rank | Name | State | School | Class | Pos | Hand Speed (max) |
1 | Royce Alvarez | CA | Woodcreek | 2023 | OF | 24.0 mph |
2 | Ian Fernandez | CA | Vintage | 2024 | C | 23.4 mph |
3 | Marcus Maeder | CA | Colfax | 2023 | RHP | 22.3 mph |
4 | Flynn Shoop | CA | Petaluma | 2024 | SS | 22.0 mph |
5 | Ethan Louie | CA | Woodcreek | 2023 | OF | 21.6 mph |
6 | Jacob Moreda | CA | Cardinal Newman | 2024 | RHP | 21.3 mph |
7 | Graham Chapouris | CA | Napa | 2023 | OF | 20.9 mph |
^ | Noah Piersig | CA | Vintage | 2024 | RHP | 20.9 mph |
8 | Jace Lopez | CA | Vintage | 2024 | 2B | 20.8 mph |
9 | Kai Koizumi | CA | Will C Wood | 2023 | OF | 20.7 mph |
10 | Jack Colby | CA | Petaluma | 2024 | RHP | 20.6 mph |
11 | Kai Croshal | CA | Design Tech | 2024 | SS | 20.0 mph |
12 | Dylan Snider | CA | Napa | 2022 | C | 19.9 mph |
^ | Jeffrey Rice | CA | Casa Grande | 2024 | OF | 19.9 mph |
13 | Jack Alcayaga | CA | Sonoma Valley | 2022 | C | 19.8 mph |
14 | Colby Chambers | ID | Rocky Mountain | 2024 | LHP | 19.5 mph |
15 | Dario Freschi | CA | Vintage | 2025 | SS | 19.4 mph |
Average Peak Hand Speed
Rank | Name | State | School | Class | Pos | Hand Speed (avg) |
1 | Royce Alvarez | CA | Woodcreek | 2023 | OF | 22.8 mph |
2 | Ian Fernandez | CA | Vintage | 2024 | C | 22.3 mph |
3 | Marcus Maeder | CA | Colfax | 2023 | RHP | 20.9 mph |
4 | Noah Piersig | CA | Vintage | 2024 | RHP | 20.5 mph |
5 | Flynn Shoop | CA | Petaluma | 2024 | SS | 20.3 mph |
6 | Ethan Louie | CA | Woodcreek | 2023 | OF | 20.1 mph |
7 | Jacob Moreda | CA | Cardinal Newman | 2024 | RHP | 20.1 mph |
8 | Graham Chapouris | CA | Napa | 2023 | OF | 19.9 mph |
9 | Kai Koizumi | CA | Will C Wood | 2023 | OF | 19.7 mph |
10 | Jace Lopez | CA | Vintage | 2024 | 2B | 19.3 mph |
11 | Jeffrey Rice | CA | Casa Grande | 2024 | OF | 19.2 mph |
12 | Jack Alcayaga | CA | Sonoma Valley | 2022 | C | 19.0 mph |
13 | Alec Nava | CA | De La Salle | 2022 | 2B | 18.6 mph |
14 | Colby Chambers | ID | Rocky Mountain | 2024 | LHP | 18.6 mph |
15 | Kai Croshal | CA | Design Tech | 2024 | SS | 18.4 mph |
On Plane Efficiency
Measures the percentage of your swing where the bat is on the swing plane. Your vertical bat angle at contact establishes the plane for that swing. Plane is a great indicator for making more consistent contact on the barrel of the bat. For more info: On Plane Efficiency
Ideal Efficiency %: 70% or Higher | Range: 65%-85%
Rank | Name | State | School | Class | Pos | On Plane Eff (avg) |
1 | Jace Lopez | CA | Vintage | 2024 | 2B | 79 % |
2 | Dante Overholser | CA | Cardinal Newman | 2024 | 1B | 75 % |
3 | Royce Alvarez | CA | Woodcreek | 2023 | OF | 73 % |
4 | Marcus Maeder | CA | Colfax | 2023 | RHP | 72 % |
5 | Dario Freschi | CA | Vintage | 2025 | SS | 71 % |
6 | Jack Colby | CA | Petaluma | 2024 | RHP | 71 % |
7 | Gabe Garcia | CA | Colfax | 2023 | RHP | 71 % |
8 | Ian Fernandez | CA | Vintage | 2024 | C | 69 % |
9 | Jeffrey Rice | CA | Casa Grande | 2024 | OF | 67 % |
10 | Kai Croshal | CA | Design Tech | 2024 | SS | 66 % |
11 | Graham Chapouris | CA | Napa | 2023 | OF | 65 % |
12 | Dylan Snider | CA | Napa | 2022 | C | 65 % |
13 | Colby Chambers | ID | Rocky Mountain | 2024 | LHP | 60 % |
14 | Kai Gulliksen | CA | Vintage | 2024 | SS | 59 % |
15 | Jack Alcayaga | CA | Sonoma Valley | 2022 | C | 57 % |
Rotational Acceleration
Measures how quickly your bat accelerates into the swing plane. Rotation is a good indicator of how you build bat speed by sequencing properly. The quicker your rotational acceleration, the more power you will have and the more time you have to adjust to pitch locations. For more info: Rotational Acceleration
MLB Avg: 16.8 g | MiLB Avg: 12.6 g | College Avg: 12.9 g
Rank | Name | State | School | Class | Pos | Rot. Acc (avg) |
1 | Dante Overholser | CA | Cardinal Newman | 2024 | 1B | 21.2 g |
2 | Dylan Snider | CA | Napa | 2022 | C | 19.9 g |
3 | Ethan Louie | CA | Woodcreek | 2023 | OF | 19.7 g |
4 | Graham Chapouris | CA | Napa | 2023 | OF | 18.2 g |
5 | Royce Alvarez | CA | Woodcreek | 2023 | OF | 18.1 g |
6 | Marcus Maeder | CA | Colfax | 2023 | RHP | 18.0 g |
7 | Jace Lopez | CA | Vintage | 2024 | 2B | 17.2 g |
8 | Dario Freschi | CA | Vintage | 2025 | SS | 16.6 g |
9 | Flynn Shoop | CA | Petaluma | 2024 | SS | 15.7 g |
10 | Jacob Moreda | CA | Cardinal Newman | 2024 | RHP | 15.6 g |
11 | Jeffrey Rice | CA | Casa Grande | 2024 | OF | 14.2 g |
12 | Jack Alcayaga | CA | Sonoma Valley | 2022 | C | 14.0 g |
13 | Ian Fernandez | CA | Vintage | 2024 | C | 13.7 g |
14 | Kai Croshal | CA | Design Tech | 2024 | SS | 13.1 g |
15 | Gabe Garcia | CA | Colfax | 2023 | RHP | 10.3 g |
UPCOMING EVENTS
SHOWCASE | STATE | DATE | LOCATION |
Norcal Uncommitted Games | CA | 09/11 | Islanders Field |
Norcal Underclass Games (Invite Only) | CA | 09/18 | Islanders Field |
SoCal Upperclass Games (Invite Only) | CA | 09/18 | Biola University |
SoCal Underclass Games (Invite Only) | CA | 09/25 | U of San Diego |
Northern California Academic Games | CA | 10/16 | Menlo College |
Unsigned Senior Games | CA | 10/17 | Hart Park |
RELATED TOPICS
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- CA CA State Games: TrackMan Pitching Leaderboards 8/22/24
- CA Uncommitted Spotlight: '26 INF Greyson Gullage 8/21/24
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- CA CA State Games: '27/'28 Top Performers from Game Action 8/19/24
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