Murfreesboro Summer ID: TrackMan Files
July 16, 2024
MURFREESBORO, TN - The Prep Baseball Tennessee Murfreesboro Summer ID was held on Tuesday, July 9th at Riverdale High School in Murfreesboro, TN. Players went through an extended pro-style workout that included batting practice using Trackman, ran the 60-yard dash using Swift Performance, and much more. Pitchers were able to get numbers and metrics on TrackMan during a bullpen setting. There were some players who showed up and continued to build off of prior performances, but there were also some new names who jumped onto our radar with a strong showing at the event.
Continuing our post-event coverage for this event, we take a look at some of the standouts from the event. Below you will find the TrackMan leaderboards from the event.
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MAX FASTBALL & AVERAGE SPIN RATE
Rank | Name | State | School | Class | Pos | Velocity (max) |
1 | Ashton Blesie | TN | Nolensville High School | 2025 | RHP | 89.2 mph |
2 | Ryan Russell | TN | Siegel High School | 2026 | 2B | 85.5 mph |
3 | AJ Dungan | TN | Mt. Juliet | 2028 | RHP | 83.9 mph |
Rank | Name | State | School | Class | Pos | Spin Rate (avg) |
1 | Ryan Russell | TN | Siegel High School | 2026 | 2B | 2355 rpm |
2 | Ashton Blesie | TN | Nolensville High School | 2025 | RHP | 1945 rpm |
3 | AJ Dungan | TN | Mt. Juliet | 2028 | RHP | 1904 rpm |
4 | Grant Kruger | TN | Green Hill | 2027 | C | 1880 rpm |
5 | Shaeffer Sitton | TN | Stone Memorial | 2028 | 3B | 1879 rpm |
Max Fastball Velocity: This metric calculates the speed of the pitch as it’s released from the pitcher’s hand.
Spin Rate: This metric calculates the rate of spin on the baseball as it leaves the pitcher’s hand, measured in revolutions per minute (rpm). Historical data shows that high-spin fastballs lessen the impact of gravity, allowing for more ‘rise’ (or less fall, in other words) as it carries through the zone. Low-spin fastballs typically indicate the pitch has greater horizontal action, often making it tougher to square up, but generally easier to make contact with, leading to more ground balls, while high-spin fastballs show a correlation with swings and misses.
AVERAGE FASTBALL HORIZONTAL MOVEMENT
Rank | Name | State | School | Class | Pos | HM (avg) |
1 | William McGlacken | TN | Spring Hill High School | 2025 | 3B | 17.3 |
2 | Colton Vivrette | TN | Wilson Central | 2026 | SS | 16.4 |
3 | Ashton Blesie | TN | Nolensville High School | 2025 | RHP | 16.3 |
4 | Grant Kruger | TN | Green Hill | 2027 | C | 13.7 |
5 | AJ Dungan | TN | Mt. Juliet | 2028 | RHP | 13.0 |
Horizontal Break: Outlined on TrackMan’s own website: “... horizontal movement is measured in inches between where the pitch actually crosses the front of home plate side-wise, and where it would have crossed home plate side-wise if had it traveled in a perfectly straight line from release. A positive number means the break was to the right from the pitcher’s perspective, while a negative number means the break was to the left from the pitcher’s perspective.”
AVERAGE SLIDER SPIN RATE
Rank | Name | State | School | Class | Pos | Spin Rate (avg) |
1 | Ashton Blesie | TN | Nolensville High School | 2025 | RHP | 2433 |
2 | William McGlacken | TN | Spring Hill High School | 2025 | 3B | 1996 |
3 | Colton Vivrette | TN | Wilson Central | 2026 | SS | 1975 |
Spin Rate: The metric calculates how fast the ball is spinning as it leaves the pitcher’s hand, reported in the number of times the pitched ball would spin per minute (“revolutions per minute” or “rpm”).
AVERAGE CURVEBALL SPIN RATE
Rank | Name | State | School | Class | Pos | Spin Rate (avg) |
1 | Ryan Russell | TN | Siegel High School | 2026 | 2B | 2446 rpm |
2 | Mason McWhirter | TN | Clarkrange High School | 2028 | SS | 1613 rpm |
3 | Grant Kruger | TN | Green Hill | 2027 | C | 1492 rpm |
Spin Rate: The metric calculates how fast the ball is spinning as it leaves the pitcher’s hand, reported in the number of times the pitched ball would spin per minute (“revolutions per minute” or “rpm”).
AVERAGE CHANGEUP HORIZONTAL MOVEMENT
Rank | Name | State | School | Class | Pos | HM (avg) |
1 | Ashton Blesie | TN | Nolensville High School | 2025 | RHP | 16.5 |
2 | AJ Dungan | TN | Mt. Juliet | 2028 | RHP | 16.0 |
3 | Colton Vivrette | TN | Wilson Central | 2026 | SS | 11.9 |
Horizontal Break: This metric measures the distance, measured in inches, between where the pitch actually crosses the front of home plate side-wise, and where it would have crossed home plate side-wise if had it traveled in a perfectly straight line from release. A positive number means the break was to the right from the pitcher’s perspective, while a negative number means the break was to the left from the pitcher’s perspective.
PEAK EXIT VELOCITY (HITTING)
Rank | Name | State | School | Class | Pos | Exit Velocity (max) |
1 | Ryan Russell | TN | Siegel High School | 2026 | 2B | 98.4 mph |
2 | William McGlacken | TN | Spring Hill High School | 2025 | 3B | 92.1 mph |
3 | Grant Kruger | TN | Green Hill | 2027 | C | 90.7 mph |
4 | Brady Patterson | TN | Mount Juliet High School | 2026 | OF | 89.4 mph |
5 | Colton Vivrette | TN | Wilson Central | 2026 | SS | 88.9 mph |
Exit Velocity: This metric measures the speed of the ball, measured in miles per hour, as it comes off the bat at the moment of contact.
PEAK ESTIMATED BATTED DISTANCE (HITTING)
Rank | Name | State | School | Class | Pos | Distance (max) |
1 | Mason McWhirter | TN | Clarkrange High School | 2028 | SS | 334 ft |
2 | Ryan Russell | TN | Siegel High School | 2026 | 2B | 329 ft |
3 | Grant Kruger | TN | Green Hill | 2027 | C | 314 ft |
Distance: This metric measures the estimated “carry flat” distance, measured in feet, meaning the distance that the ball travels before it lands, or would have landed if it were not caught or obstructed.
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