20.2
Hand Speed (max)
8/23/20
CLASS OF 2021
SS
RHP
Connor
Sempf
Boyceville (HS) • WI
6' 0" • 175LBS
R/R • 21yr 6mo
Travel Team: GRB Rays
6' 0" • 175LBS
R/R • 21yr 6mo
Travel Team: GRB Rays
Rankings
2021 National
Rankings available to Premium Subscriber
2021 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
64.9
Bat Speed (max)
8/23/20
8.5
Rot. Acc (max)
8/23/20
-
Hard Hit %
86.9
Exit Velocity (max)
8/23/20
80.2
Exit Velocity (avg)
8/23/20
299
Distance (max)
8/23/20
71
Sweet Spot %
8/23/20
7.13
60
8/23/20
-
30-yd
-
10-yd
-
Run speed (max)
82
INF Velo
8/23/20
-
OF Velo
-
C Velo
-
Pop Time
Fastball
80
Velocity (max)
7/08/19
77 - 80
Velo Range
7/08/19
-
Spin Rate (avg)
Changeup
69 - 72
Velo Range
7/08/19
-
Spin Rate (avg)
Curveball
68 - 70
Velo Range
6/19/19
-
Spin Rate (avg)
Slider
69 - 71
Velo Range
7/08/19
-
Spin Rate (avg)
Positional Tools
2020
2019
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60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.13
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
82.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
12.2
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.58
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
80.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
10.0
Hitting
2020
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
86.9
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
80.2
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
299
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
224
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
22.1
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
PBR Unsigned Senior Showcase (2021 Grads)
Aug 23, 2020
Trackman - Hitting
86.9
Exit Velocity (max)
80.2
Exit Velocity (avg)
224
Distance (avg)
299
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2020
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.2
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
18.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
64.9
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
60.6
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
PBR Unsigned Senior Showcase (2021 Grads)
Aug 23, 2020
Blast - Hitting
20.2
Hand Speed (max)
18.7
Hand Speed (avg)
64.9
Bat Speed (max)
60.6
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
Pitch Scores
Pitching Velos
2019
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
77.8
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
68.8
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.5
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
70.0
Game Performance
Visual Edge
Pitch Ai
Notes
News
- Top-10 Stories of 2021: Boyceville's WIAA Dominance Leads to D4 State Title - Dec 27, 2021
- Retz Leads Boyceville Bulldogs To D4 State Championship - Jun 28, 2021
- PBR MN- Top Infield Velocities Of 2020 - Nov 18, 2020
- PBR Unsigned Senior: Infielder Evaluations - Sep 23, 2020
- PBR Unsigned Senior Showcase: Instant Analysis - Aug 25, 2020
- Western Wisconsin Open: Pitcher Analysis - Aug 29, 2019
- Western Wisconsin Open: Infielder Analysis - Aug 28, 2019
Comments
Draft Reports
Contact
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Position: SS/RHP
Body: 6-foot, 175-pound athletic frame
Hit: Began in a balanced stance with a controlled load, then used a small leg kick to start his swing. Average bat speed. High finish, loose swing.
Power: 87 mph exit velocity. gap to gap approach.
Defense: Infield, Sure hands, average footwork, natural exchange. Above average. Movements laterally were athletic and he fields the ball out front.
Arm: 82 Infield velocity. Short arm action, ¾ slot, consistent accuracy.
Speed: 7.13
5-foot-11, 165-pound two-way prospect. 5-foot-11, 159-pounds. Side rocks into a high knee lift at balance point, drops and drives with level shoulders, works on line to home and lands square. Arm action is long and over-the-top. Fastball, straight, some downhill tilt, life in zone, 77-80 mph. Curveball, 11/5 shape, breaks early, 68-69 mph. Slider, tighter spin than curve, downer action, 69-71 mph. Changeup, thrown at arm speed, fade action, 69-72 mph. At the plate, right-handed, balanced/open setup, wide base, wrap load, small leg lift stride. Bat path is long and level, pull-side approach; 76 mph exit velocity from the tee. On defense, controlled and athletic footwork, some rhythm, hands work well together; long and loose arm action, high ¾ slot, topped 79 mph to first. A 7.58 runner in the 60.
Positional Profile: RHP/2B
Body: 5-foot-11, 159-pounds.
Hit: RHH. Balanced, open setup, barrel wrap load, leg lift stride. Long, level path to the baseball, looks to pull the ball.
Power: 76 mph exit velocity from the tee.
Arm: RH. INF - 80 mph. Long, loose arm action, throws from a high 3/4 slot.
Defense: Sure hands, feet stay active, fields the ball deep.
Run: 7.66 runner in the 60.
Positional Profile: RHP/2B
Body: 5-foot-11, 159-pounds.
Delivery: Drop/drive delivery, falls towards the first base side of his body, lands with his front foot closed.
Arm Action: RH. Long arm action out of a high 3/4 slot.
FB: T79, 76-78 mph. Arm side run, had life, present spin.
CB: 68-70 mph. 11/5 shape, thrown with near fastball arm speed.
CH: 70-71 mph. Plays straight, thrown with near fastball arm speed.