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Trosky Redbirds Scout Day - Pitchers


PBR California Scouting Staff

New Episode LIVE now!-At The Yard Podcast

SAN DIEGO, CA - Under sunny San Diego skies at a newly built turf field the Trosky Redbirds Scout Day took place with plenty of anticipation. Featuring a roster built mainly with high school players from North County and North City San Diego, the Redbirds featured many committed and uncommitted players. Notable Redbird committed players; UCLA commit 21' SS Bryce Martin-Grudzielanek ranks 55th in the state, UC-Irvine commit 21' Jacob Odle ranks 110th and Oklahoma commit 22' Eric Van Valkenburg ranks 75th. With the majority of the roster remaining uncommitted there are plenty of uncommitted NAIA, D3, D2, D1 talent level players left to scout. 

Trackman, Blast Motion, radar guns, running sensors and a generator were hard at work powering the event. The classic showcase format ran smoothly with the batting practice showing highlighting the day with 15 home runs being struck. Blast Motion overall team score of 50 plane, 54 connection, and 48 rotation shows a team solid across the board with no glaring weakness and plenty of room to improve. You can find the RedBirds Quick Hits  Stats Leaders Blast Leaders Catchers Outfielders here. 

scouting reports

Jack Zerr, University City (CA), 2021
Positional Profile: RHP Starter ability, projectable build, uncommitted pitcher to watch, two plus offspeed pitch potential.
Body: 6-3, 225-pounds. Starters build, sturdy lower half.
Delivery: Smooth delivery, whole body emphasis, balanced, increase extension and drive. 
Arm Action: Feel for three pitches, Spin axis on pitches grades out well, more velocity to come. 
FB: T86, 84-86 mph. 12:45 Tilt, 2243 Spin Rate (above MLB average), 21.3 IVB (93rd percentile Extreme Ride), 8.1 HB (50th percentile Average). Current fastball spin rates show that fastball will become 90+. 
CB: 69-70 mph. Quality curve, 7:45 Tilt, 2185 Spin Rate, out pitch. 
CH: 76-78 mph. 1:45 Tilt, 76.7 mph, 10.2 IVB (21st percentile Significant Sink), 12.3 HB (93rd percentile extreme run). Changeup shows heavy sink, run and plays off fastball movement. Plus-potential. 

Gerrit Erickson, Westview (CA), 2021
Positional Profile: RHP/1B Mature feel, understands how to pitch, gets outs and eats innings.
Body: 6-3, 200-pounds. Sturdy base, proportional, athletic. 
Delivery: Repeatable actions, clean leg lift, balanced throughout, room for more extension.
Arm Action: Medium arm swing, high 3/4 arm slot, slows down occasionally on offspeed, projectable gains. 
FB: T85, 83-84 mph. Fastball shows slight sink and some run. Spin rate average of 2099 (2232 max) shows well for current velo and project well with velocity gains. 
CB: 68-71 mph. Flips the curveball over well side-to-side, back foot vs LHH swing and miss ability. Spin rate of 2151 gives this pitch some potential down the line. 
CH: 74-76 mph. Good speed differential from fastball, plays off fastball/curveball, pitch runs enough to garner weak contact. 

Joe Tellers, Westview (CA), 2021
Positional Profile: RHP/1B Strong athletic build, reliever, raw with potential.
Body: 6-2, 215-pounds. 
Delivery: Stands tall and strong, compact, short extension, balanced.
Arm Action: Short arm swing, good acceleration, varying spin axis, projectable velocity increase.
FB: T84, 82-83 mph. 1:00 Tilt, 23.3 IVB (93rd percentile Extreme Ride), 13 HB (79th percentile Significant Run), 2008 Spin Rate. TrackMan data shows a fastball that in relation to a straight pitch rises and runs at an extreme level with low spin.
CB: 72-73 mph. Show me curveball, limited break, late action, 8:45 Tilt. 
SL: 76-77 mph. 7:45 Tilt, late hard cutting action, developing consistency. 
CH: 73-75 mph. Best offspeed offering, 1:00 Tilt, 1486 Spin Rate, 20.9 IVB (93rd percentile Extreme Ride, 11.81 HB (79th percentile Significant Run). Changeup plays off fastballs rise and run but with lower spin and speed. 

Kaden Hustead, San Marcos (CA), 2021
Positional Profile: LHP/OF One of the best uncommitted 2021 pitchers in the San Diego Section.
Body: 6-4, 195-pounds. 
Delivery: Smooth left-hander, effortless actions, frontside needs mechanical adjustment, follows through well.
Arm Action: . 3/4 arm slot, tilt/spin axis line up with MLB averages, velocity spike expected. 
FB: T84, 82-84 mph. 11:00 Tilt, 2169 spin rate, 20.7 IVB (93rd percentile Extreme Run), 11.7 HB (79th percentile Significant Run). Fastball moves as if it is rising and running in relation to a straight pitch. 
SL: 70-72 mph. Developmental pitch, lacking sharp bite, potential from arm slot. 
CH: 72-74 mph. 10:00 Tilt, 15.1 IVB (64th percentile Slight Ride), 14.4 HB ( 93rd percentile Extreme Run), 1514 Spin Rate. TrackMan data shows a changeup that moves similar to the fastball but with much less spin and speed.

Luke Ritter, Westview (CA), 2021 

Positional Profile: LHP Quality left-handed pitcher with a four-pitch offering and starter ability at the next level.
Body: 6-2, 200-pounds. Starters build, strong lower half.
Delivery: Works quickly, slight lean back creating upper half torque, short stride. 
Arm Action: Feel for pitches, average arm speed, arm stamina.
FB: T84, 82-84 mph. 11:45 Tilt, 2067 Spin Rate, 24.1 IVB (93rd percentile Extreme Ride), -1.7 HB (35th percentile Very low Cut). Fastball acts as if it is rising at an extreme level with cut in relation to a straight pitch. 
CB: 67-68 mph. 4:00 Tilt, 2195 Spin Rate, commanded the pitch side-to-side, at best locating back foot to RHH. 
SL: 71-73 mph. 2:00 Tilt, 2183 Spin Rate, developmental pitch, shows true slider movement and spin, potential down the line. 
CH: 71-72 mph. 11:15 Tilt, 20.2 IVB (93rd percentile Extreme Ride), -7.8 HB (64th percentile Slight Cut), 1504 Spin Rate. Changeup plays very similarly to fastball but with slightly less ride, cut, spin and speed. 

Christian Garcia, Mt. Everest Academy (CA), 2025
Positional Profile: RHP/3B
Body: 6-0, 150-pounds. Highly projectable 2025 frame.
Delivery: First Base side of the rubber, keeps hands belt high, staggered in the stretch, Clevinger follow through back leg. 
Arm Action: Medium arm swing, high 3/4 arm slot, yanks occasionally glove side, speed up the arm throughout. 
FB: T72, 64-70 mph. Showed ability to locate down in the zone and side to side. 
CB: 60-65 mph. Solid feel, located well on glove side, 12/6 break. 
SL: 61-63 mph. Developmental pitch, 50/50 execution, at times showed swing and miss potential. 
CH: 66-70 mph. Solid feel for class, released from same slot and with same arm speed as fastball, better speed differential needed.

Eli Henderson, Torrey Pines (CA), 2021
Positional Profile: RHP/OF
Body: 5-8, 150-pounds. Some twitch, athletic pitcher, muscle gains for velo. 
Delivery: Compact, hides the ball well, good balance, athletic reliever. 
Arm Action: Short arm swing, repeatable arm action, accelerates, projectable stuff. 
FB: T81, 79-81 mph. 1:15 Tilt, 20.6 IVB (93rd percentile Extreme Ride), 14.1 HB (93rd percentile Extreme Run). TrackMan data shows a projectable fastball that gives the illusion that it is rising and running in relation to a straight pitch. 
SL: 70-74 mph. Developmental pitch, biting action at times, 2274 max spin rate shows potential. 
CH: 72-74 mph. 1:00 Tilt, 18.5 IVB (93rd percentile Extreme Run), 10.5 HB (64th percentile Above-average Run). TrackMan data projects the change-up as best offspeed offering as its movement, speed and spin rate work very well off of the fastball. 

Jack Hostetler, San Dieguito (CA), 2021
Positional Profile: RHP/OF
Body: 6-2, 175-pounds. Long limbs, projectable on the mound and outfield, present strength.
Delivery: Simple mechanics, nothing wasted, would benefit from more lower half engagement.
Arm Action: RH. Arm works cleanly, can see speed in the arm, good follow through, consistent release points. 
FB: T83, 79-80 mph. Commanded the fastball well, decent spin rate at 2145. 
CB: 70-71 mph. Solid high school curveball showing, compact break to the glove side, fly ball inducing pitch.
SL: 67-70 mph. Played well off the curveball with true slider tilt, good second breaking ball offering. 
CH: 72-75 mph. Developmental change, showed some run and fade, works well with fastball and release point. 

Randy Huang, Torrey Pines (CA), 2023
Positional Profile: RHP/OF 2023 advanced two-way player with the metrics showing his future is with the bat. 
Delivery: Exclusively out of the stretch, funky but repeatable leg kick, balanced and consistent. 
Arm Action: RH. Smooth medium arm swing, some deceleration in the front, more to come. 
FB: T83, 76-78 mph. Fastball worked best to the glove side, low spin rate 1649, popped an 83 mph which shows there is currently more in there and more to come. 
CB: 53-55 mph. Slow breaking curve, will create timing issues for hitters, slows arm down to enable command and control. 
CH: 62-68 mph. Best off speed offering, fade and sink, good speed differential. 

Mark Prince, La Costa Canyon (CA), 2021
Positional Profile: OF/RHP Two-way player with a pro build, name to watch down the line. 
Delivery: Standard mechanics, limited extension, shoulders drive arm. 
FB: T81, 79-80 mph. Fastball shows best on the corners, more to come, slight run. 
CB: 68-69 mph. Curveball shows good spin at 2421. Pitch works well when located down in the zone. Cutter plays well off curveball. Swing and miss potential. 
CH: 74-75 mph. Developmental pitch, 1470 spin rate plays well off fastball, some fade and sink. 
CUT: 75-76 mph. Best offspeed offering, ground ball inducing pitch, tough on left-handed hitters. 

Grayson Bonanno, La Costa Canyon (AE), 2023
Positional Profile: RHP/3B
Body: 6-3, 190-pounds. Large frame, room to put on lean mass. 
Delivery: Mature feel, repeatable in the windup and stretch, sits in back leg and lands upright, balanced head. 
Arm Action: RH. Short arm swing, no stress arm action, high 3/4 arm slot, more in the tank, let it rip and follow through. 
FB: T78, 77-78 mph. Fastball shows extreme ride with a 21.6 IVB average and low run with a 3.0 HB average. 12:15 tilt shows his high release point and that his fastball will play up-and-down. 
SL: 70-71 mph. Slider acted more like a cutter with 12:45 tilt, 2.7 IVB and -0.4 HB. Arm slot works for 12/6 type curveball and would benefit the current slider/cutter combination. 
CH: 73-75 mph. Best current offspeed offering. Mimicked fastball with 20.5 IVB average and showed slight run with a 7.1 HB average. Run and speed differential give it a power change feel and show potential for swing and miss now and down the line.

Charlie Mirer, Cathedral Catholic (CA), 2022
Positional Profile: 1B/RHP
Body: 6-6, 225-pounds. Large frame, sturdy base, physical. 
Delivery: Raw overall, starting QB with Michigan offer, down the line projectability. 
Arm Action: Medium arm swing, consistent speed, more in the tank, high ¾ arm slot. 
FB: T79, 75-76 mph. 1:00 Tilt, 18.3 IVB (93rd percentile Extreme Ride), 11.0 HB (64th percentile Above Run). TrackMan data shows a fastball that gives the illusion of rising and running in relation to a straight pitch. 
CB: 64-67 mph. 1:30 Tilt, 13.0 IVB (35th percentile Significant Sink), 12.5 HB (79th percentile Significant Run). Good speed differential from fastball, similar movement of the fastball but with more sink, swing and miss potential. 
CH: 67-70 mph. Developmental pitch, some feel, limited break.

Gavin Strup, Torrey Pines (CA), 2023
Positional Profile: 3B/RHP
Body: 5-10, 161-pounds. Proportional, room to fill out with lean mass. 
Delivery: Simple approach, some athleticism, average extension, more in the tank. 
Arm Action: Arm has some juice in it as seen from infield showing, consistent, high ¾.
FB: T77, 75-76 mph. 12:30 Tilt, 17.6 IVB (93rd percentile Extreme Ride), 4.6 HB (21st percentile Low Run), 1921 Spin Rate. 
CB: 67-68 mph. 8:30 Tilt, -3.2 IVB, -13.4 HB, 2305 spin rate. Significant horizontal break and slightly-below average MLB average spin rate project this pitch well and give it swing and miss potential.
CUT: 74-77 mph. Quality offering to curveball, enable starter ability, continue to develop. 

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