Prep Baseball Report

NorCal Rising Stars Showcase: OF


PBR CA Scouting Staff

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ISLANDERS FIELD (LATHROP), CA. - The inaugural Northern California Rising Stars Showcase had 35 players take part in as players were put through traditional workout that included the 60-yard sprint, a round of batting practice, defensive workouts at respective positions (multiple spots for a few players), and concluded with main diamond mound bullpen sessions where the pitchers' stats were compiled.

Note: All showcase videos have been added to player profiles. We will post reports by position as the week moves along (corner INFscatchersMIFs, 2023/2024 pitchers, 2025 pitchers). The players listed here are ordered by their max EV.

CLICK FOR SORTABLE PLAYER STATISTICS INCLUDING TRACKMAN AND BLAST MOTION DATA

Tatum Marsh, Valley Christian (CA), 2024
Positional Profile: OF/RHP - One of top 2024s in the state.
Body: 6-1, 160-pounds. Long and sinewy athletic body.
Hit: RHH. Tall, deep in box, hands start in trigger position, creates elastic tension in slightly deeper hand load, small reverse lift out to stride. Lively and explosive, repeated barrel, easy ability to lift and drive, balanced throughout, projects to have well above avg power; 23.4 rotational acceleration (20.86 avg), 57% on plane efficiency, 50% LDs, 50% fly balls.
Power: 92 mph exit velocity in live BP via TrackMan. 21.6 max hand speed, 69 max bat speed (66.13 avg).
Arm: RH.OF - 87 mph. Big arm, full wind on backside with some depth, quick and loose, creates carry, arm will be a deterrent to even aggressive base-runners.
Defense: Charges aggressively, graceful and athletic from scoop/catch to crow hop and throw, sets up with good angles, range can play up with long strides.
Run: 7.08 runner in the 60.

Quinten Marsh, Valley Christian (CA), 2025
Positional Profile: OF/LHP - A very impressive 2025 to keep an eye on.
Body: 5-11, 170-pounds. Long and strong, high waist, strength showing in legs, very projectable body type.
Hit: LHH. Medium width feet, tall set, relaxed in box, slightly open, easy small lift to medium smooth squared stride, hand load stretches to create elastic tension. Ample tools to develop well above avg power, controls barrel quite well, accelerates through contact, ability to drive the ball far in the air, power will play to all fields, gets arms extended; 18.1 rotational acceleration (14.08 avg), 78% on plane efficiency, 60% fly balls.
Power: 91 mph exit velocity in live BP via TrackMan. 20.8 max hand speed, 68.6 max bat speed.
Arm: LH.OF - 78 mph. Circular arm stroke with hip depth, high-3/4 release, gets rid of it quickly, showed accuracy and projectable raw arm strength.
Defense: Gliding strides in approach, efficient smooth footwork, gets to throwing position quickly, has body control, fields ball deeply on right side.
Run: 7.23 runner in the 60.

Ryan Jensen, Clovis North (CA), 2024
Positional Profile: OF/RHP
Body: 5-8, 125-pounds. Young lean body, average build.
Hit: RHH. Wide feet, slight pinched knees, balanced, lift up set down foot stride, small hand load, lays barrel back a bit before firing hands. Works inside, flat stroke, controlled barrel well, compact swing and sound swing mechanics are present for when he hits physical maturity; 10.5 max rotational acceleration, 77% on plane efficiency, 45.5% LDs.
Power: 87 mph exit velocity in live BP via TrackMan. 19 max hand speed.
Arm: RH.OF - 75 mph. Compact arm stroke, gets rid of it quickly, throws were accurate and stayed on line.
Defense: Confident feet, approaches with quickness and urgency, feet set up to get ball underway quickly, reads hops well, good body control.
Run: 7.86 runner in the 60.

Braden Agosta, Serra (CA), 2024
Positional Profile: OF/2B
Body: 5-10, 150-pounds. Lean body with room in frame for size and strength gains.
Hit: RHH. Medium width feet, slight crouch, relaxed high bat set-up, up in the box, small toe tap to smaller slightly closed stride, deep hand load w/lead arm bar.  Showed shorter stroke on balls middle in and a bit up, some length on pitches away, fly ball approach, high two hand finish, maintains balance through swing, raw tools are present for quite positive development; 15.1 max rotational acceleration (11.12 avg), 58% on plane efficiency, 70% fly balls.
Power: 85 mph exit velocity in live BP via TrackMan. 22.2 max hand speed (21.32 avg), 64.7 max bat speed.
Arm: RH. INF - 78 mph. OF - 81 mph. Ball exits hand well from overhand release, lacked carry due to sync between hands/feet, the OF and INF mph show there is developable raw arm strength.
Defense: Efficient approach in OF, sees it and reads it early, gets from catch to release quickly. Measured calm steps in INF, fields in closed position to 1st base, gloved balls cleanly.
Run: 7.46 runner in the 60.

Christian Robinson, Corona (CA), 2025
Positional Profile: OF/2B
Body: 5-5, 125-pounds. Lean athletic young body, streamlined.
Hit: RHH. Tall set, medium feet width, engaged hands/barrel set up early, hitterish presence, medium knee lift out to stride, transfers weight back to front. Aggressive attack angle, gets connected then releases barrel through contact, gets juice from core, not a big player but the swing has significant life and projectability given the grad year; 12.2 max rotational acceleration, 78% on plane efficiency, 45.5% LDs, 45.5% fly balls.
Power: 83 mph exit velocity in live BP via TrackMan. 18.7 max hand speed.
Arm: RH. INF - 70 mph. OF - 75 mph. Short quick arm stroke both in INF and OF, confident thrower with multiple arm angle ability and feel, quick OF release, inconsistent carry/accuracy in INF.
Defense: High quality defensive skills both INF and OF, sets up to ball with sound fundamentals, fields ground balls on high side allowing for quick throws, feet are sure and direct in OF, ball comes out real quick, confident defensive player.
Run: 7.66 runner in the 60.

Austin Steeves, Casa Grande (CA), 2024
Positional Profile: LHP/OF/1B
Body: 5-11, 155-pounds. Lean and wiry, athletic body type.
Hit: LHH. Wide feet, weight shifted early on backside, slight crouch, high smooth knee lift out to controlled medium stride, deep hand load. Uses legs well, has balance, pull oriented stroke, hands work quite well, depth of load creates sweeping of barrel, sees pitch early which does allow for covering the inside pitch; 11.9 max rotational acceleration, 73% on plane efficiency.
Power: 80 mph exit velocity in live BP via TrackMan. 20.8 max hand speed, 63.7 max bat speed.
Arm: LH. INF - 70 mph. OF - 80 mph. In OF showed loose easy long arm stroke, smooth thrower, high-3/4 slot, creates some carry with slight tailing at target. At 1B made accurate confident feeds with shortened up arm stroke, above avg 1B arm.
Defense: Graceful approach to ball in OF, good rhythm in getting to release, efficient feet, creates angles in line to the target. Showed well grade avg with glove skills and footwork at 1B, works below the ball, covers lots of ground, soft hands.
Run: 7.32 runner in the 60.

Spencer Korzep, Capistrano Valley (CA), 2025
Positional Profile: LHP/OF 
Body: 5-11, 155-pounds. Long body, strong bone structure, broad frame.
Hit: RHH. Tall set, fairly off the plate, square stance, very slight pinch of knees, hands start off shoulder prior to dropping to lower slot, shorter quiet hands load, minimal stride after quick knee lift. Knows his swing for a young player, handsy swing, maintains body control and balance, slight upward attack angle, chance to develop some power a compact swing as he develops strength; 22.7 max rotational acceleration (17.24 avg), 71% on plane efficiency, 60% LDs/fly balls.
Power: 76 mph exit velocity in live BP via TrackMan. 18.1 max hand speed.
Arm: LH.OF - 71 mph. Some depth with hand under elbow, accurate with some tailing action, minimal carry at this time, high-3/4 release, can get more with better angles in approach to ball.
Defense: Methodical approach to ball, can create better angles in set up to gloving the ball, glove skills are solid.
Run: 8.06 runner in the 60.

Henry Bei, Menlo-Atherton (CA), 2023
Positional Profile: OF/RHP
Body: 5-9, 130-pounds. Lean body, lithe, higher waist, some frame with room to fill out.
Hit: RHH. Wider feet start slightly open, pinched knees, quiet hands, small efficient load, short lift out to short stride, hips gain some ground. Controlled barrel well, torquey swing, full two hand finish, handsy swing, stayed above high pitch well; 72% on plane efficiency, 40% LDs, 50% fly balls.
Power: 73 mph exit velocity in live BP via TrackMan.
Arm: RH.OF - 69 mph. Long arm stroke, full circular depth, loose arm, got air under throws, high-3/4 release.
Defense: Choppy footwork in approach, there is an extra step on the way to release, created in line angles to the target.
Run: 8.09 runner in the 60.

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