21.8
Hand Speed (max)
1/03/26
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Park is as complete a two-way prospect as you'll find in this class. The shortstop checks all the physical boxes, prototypical frame, muscle definition, projection, and backs it up on both sides of the ball. During BP, the approach is what jumps out. He's efficient, never wasteful, going with the pitch and working the whole field with consistent line drives. The 96.2 max EV and 87.6 average aren't the loudest numbers in the group, but they're backed by a feel for the barrel. Defensively, he was the most mature fielder of the bunch. 86 mph arm, smooth transfer, clean footwork that can make plays on all levels. On the mound, he worked a 83 mph FB with arm-side run and a CB that has late break and solid command, while also working a SPL that flashed late dive. Across the board, Park just knows how to play and looks very comfortable no matter the position.
Mason Park, Fullerton Union High (CA), 2027
Positional Profile: SS/2B High-quality MIF with defensive feel and impactful offensive upside.
Body: 5-9, 171-pounds. Compact, well-built frame with lean strength and physical presence packed into his build.
Hit: RHH. Stable, balanced base with subtle knee flex and an elevated barrel angle. Back elbow works away from the body as he initiates an inward leg lift to gather. Hands work with slight extension before accelerating through the zone, creating a longer barrel path with intent. Upper half plays a significant role in the swing, while the lower half provides balance and stability. Produces loud contact with the ability to drive the ball gap-to-gap. 74.7 mph bat speed with 11 G's of rotational acceleration.
Power: 95 max exit velocity, averaged 84.4 mph. 354' max distance.
Arm: RH. INF-88 mph. Fast, clean arm stroke from a three-quarter slot with minimal effort. Ball jumps out of the hand with carry and accuracy.
Defense: Plays with urgency and athleticism, using his lower half efficiently to create range. Feet are quick and reactive, allowing him to move laterally with ease and maintain rhythm through the play.
ATH: 7.20 runner in the 60. 1.73 and 3.93 in the 10 and 30 yard splits. 23.10 max vertical.
Vizual Edge: 66.27 Edge Score
Park continues to reinforce his status as a top-80 player in the state, turning in his third straight strong showing dating back to the OC Summer ID and the CA State Games. Park once again produced in live game action, picking up another base hit, while putting together a solid BP round where he posted a 94.8 mph max EV and a 354' max batted distance. The offensive consistency continues to stand out, with Park showing a reliable approach and the ability to impact the baseball in both controlled and competitive settings. Athletically, Park remains a quality runner, clocking a 7.2 60-yard dash at this event after previously posting a 6.87 at the State Games, and he shows the athleticism and arm strength (88 mph) to stick at SS long term, with the versatility to also slide over to 3B if needed. Physically, he looks noticeably stronger than he did over the summer, having added roughly five pounds of good weight. The added strength shows in how the jersey fits and is backed up by a significant jump in the forearm grip strength test, confirming real physical gains. As an uncommitted SoCal INF, Park continues to trend upward and carries the tools, consistency, and physical development to become a legitimate impact player at the next level.
Mason Park, Fullerton Union High (CA), 2027
Positional Profile: SS/2B Sound defender with natural instincts with gap-to-gap power at the plate.
Body: 5-9, 168-pounds. Compact, lean frame.
Hit: RHH. Even, balanced stance with slight bend in knees. Elbow flared outward, with bat angled slightly over head. Inward leg kick stride. Hands cast outward slightly. Loads in upper half. Long barrel path. 72.4 mph bat speed with 14 G's of rotational acceleration.
Power: 99 max exit velocity, averaged 94.0 mph. 371' max distance.
Arm: RH. INF-89 mph. 3/4 arm slot. Quick, smooth release.
Defense: Utilizes lower half very well. Quick, twitchy feet that shows urgency.
ATH: 6.87 runner in the 60. 1.57 and 3.78 in the 10 and 30 yard splits. 18.10 max vertical.
Vizual Edge: 58.93 Edge Score
Mason Park, Fullerton Union High (CA), 2027
Positional Profile: SS/2B INF with an arm that can project to the left side of the diamond long term and a heavy barrel that produces consistent hard contact.
Body: 5-9, 167-pounds. Compact frame, possesses strength throughout.
Hit: RHH. Easy operation, quiet load, early stride, balanced throughout. Heavy barrel, longer path, extention through the zone, possesses some whip to barrel. 68 mph bat speed with 13 G's of rotational acceleration.
Power: 97 max exit velocity, averaged 91.6 mph. 360' max distance.
Arm: RH. INF-86 mph. Loose and compact, 3/4 slot, possesses some carry.
Defense: Soft feet, smooth gather, fluid actions through the ball.
ATH: 7.22 runner in the 60. 1.82 and 4.02 in the 10 and 30 yard splits.
Park's profile continues to trend up after a strong showing during the SoCal Top Prospect Underclass in fall that carried into a strong spring on varsity at Fullerton Union and now with another strong performance at the OC Summer ID. The 5'9 167.3 lbs Park showed intriguing tools across the board from his 135.5 (RH Grip) and 149.6 (LH Grip) hand strength testing into a 7.22 60 yard dash with interesting actions on the INF during the defensive work. Park has clean footwork, soft hands while demonstrating present arm strength (86 MPH INF arm velo) showing carry and accuracy on his throws from all angles. During his batting practice Park showed his consistent feel for hard contact topping the event with an average exit velocity at 91.6 MPH with increasing impact in his profile with a peak exit velocity at 96.6 while reaching 360' max distance (slugged several HRs to straightaway LF during two rounds). His underlying batted ball data was strong across the board from a 62% hard hit rate, 75% sweet spot rate and 75% fly ball/line drive rate over two rounds of batting practice. Park is a strong follow in the 2027 class who flashes SS long term potential to go with up the middle defensive profile.