The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.71
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
76.0
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.
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Slider
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Slider
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Jayden Kieler, Leo JR/SR Highschool (IN), 2027 Positional Profile: RHP/1B Body: 6-3, 205-pounds. Athletic, projectable build on a large, developed frame. Delivery: Stretch primary delivery w/ a relatively tall, compact leg lift and low balance point. Shoulders work even down the slope with lots of separation. Big stride down the slope achieving both extension and abv/avg hip separation in delivery. Arm Action: RH. Loose, whippy arm action from an over the top slot. FB: T79, 74-78 mph. Profiles as a Cut FB. T1970, 1847 average rpm. SL: 61-65 mph. Gradual gloveside movement. T2035, 1978 average rpm. ATH: 7.71 runner in the 60.
6/11/24
Jayden Kieler, Leo JR/SR Highschool (IN), 2027 Positional Profile: RHP/1B Body: 6-3, 205-pounds. Athletic, projectable build on a large, developed frame. Hit: RHH. Wide setup with weight prematurely shifted back onto drive leg. Minimal to no load due to weight shift followed by a short, quick hover stride. hands work slightly back and down in time with stride. Head stays steady on the ball. Some bat speed with a line-drive approach on an even plane. 67.7 mph bat speed with 9 G's of rotational acceleration. Power: 90 max exit velocity, averaged 81.4 mph. 306' max distance. Arm: RH. INF-76 mph. Loose arm action from a 3/4 to s sub 3/4 arm slot. Lots of shoulder separation in throwing mechanics. Defense: Fundamental footwork off the bag at 1st. Sure hands with an easy exchange. ATH: 7.71 runner in the 60.
2/22/24
I like the upside that '27 RHP Jayden Kieler (Leo) showed during his bullpen session. A big-bodied, 6-foot-3, 205 pounder that will mature into more strength to improve his overall body composition - Kieler was up to 82 mph on the fastball with plenty left in the tank. The arm works clean with a more compact circle to a 3/4 release point, and he was able to get in the zone with all three of his offerings. Kieler showed a slurvey breaking ball at 72-74 mph, but I liked his fading, 75-77 mph changeup as his best off-speed pitch. The front leg swings open at landing causing a bit of inconsistency, however this is a small mechanical adjustment that is easily fixable and should clean up his overall command and improve his velocity. Kieler shows shades of a younger Jack Grunkemeyer, a current SR signed to Northwestern University, and established himself as a '27 follow after his performance this weekend.
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Positional Profile: RHP/1B
Body: 6-3, 205-pounds. Athletic, projectable build on a large, developed frame.
Delivery: Stretch primary delivery w/ a relatively tall, compact leg lift and low balance point. Shoulders work even down the slope with lots of separation. Big stride down the slope achieving both extension and abv/avg hip separation in delivery.
Arm Action: RH. Loose, whippy arm action from an over the top slot.
FB: T79, 74-78 mph. Profiles as a Cut FB. T1970, 1847 average rpm.
SL: 61-65 mph. Gradual gloveside movement. T2035, 1978 average rpm.
ATH: 7.71 runner in the 60.
Positional Profile: RHP/1B
Body: 6-3, 205-pounds. Athletic, projectable build on a large, developed frame.
Hit: RHH. Wide setup with weight prematurely shifted back onto drive leg. Minimal to no load due to weight shift followed by a short, quick hover stride. hands work slightly back and down in time with stride. Head stays steady on the ball. Some bat speed with a line-drive approach on an even plane. 67.7 mph bat speed with 9 G's of rotational acceleration.
Power: 90 max exit velocity, averaged 81.4 mph. 306' max distance.
Arm: RH. INF-76 mph. Loose arm action from a 3/4 to s sub 3/4 arm slot. Lots of shoulder separation in throwing mechanics.
Defense: Fundamental footwork off the bag at 1st. Sure hands with an easy exchange.
ATH: 7.71 runner in the 60.