Top-10 Profiles of 2025: No. 10 Jack Spielmann
December 18, 2025
At the end of each calendar year, the Prep Baseball Wisconsin Staff highlights the 10 most viewed profiles of 2025 in the state of Wisconsin. Today, we’ll be continuing our way up to the top spot with No. 10 and unveiling the No. 1 most viewed profile Dec. 31.
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Ranking at No. 10 in the most-viewed profiles of 2025 is C Jack Spielmann (Milton, 2027; West Virginia commit).
Spielmann has long been one of the top recruits in the Badger State thanks to the promising defense and the strong left-handed bat. The backstop recorded low pop times down in Georgia foe the Future Games this past summer, clocking at 1.97-2.01 while tossing 80 mph from the chute.
Spielmann's name circulated a lot throughout the next months leading up to the Future Games where he was one of the top left-handed for Team Wisconsin. At LakePoint, Spielmann would find success among some of the top 2027s in the country. During the BP portion of the event, Spielmann recorded EVs up to 99 mph with a 83 mph average and showed athleticism in the 60-yard dash, running a 7.03.
Spielmann continued to elevate himself as the year progressed and solidified himself among some of the top backstops in the state regardless of class.
Scouting Report
Future Games 2025: C Jack Spielmann (Milton) produced a strong showing on both sides of the ball during the Future Games. The left-handed hitting backstop produced a loud round of BP, producing an average EV of 92.4 mph, good enough for third among hitters on Team Wisconsin. Behind the plate, Spielmann continued to show why he has the ability to stay behind the plate long term. He is a polished defender and produced pop time ranges from 1.97-2.01 throughout his defensive showcase. At a broad-shouldered 6-foot-1, 185-pounds, Speilmann still has room for added strength that could further add to his already polished and well-rounded profile.
+ C/OF Jack Spielmann (Milton, 2027) looked as if he added considerable strength to his frame measuring in at 6-foot-1, 185 pounds which is a nine pound gain from when we last measured him in March. The nationally ranked left-handed hitting prospect started his day with a bursty and athletic 7.03 seconds 60-yard dash. During hitting, he was all over the barrel and registered the third highest max exit velocity of 99.3 mph max exit velocity. His quick hands with feel for the barrel were on display and was driving the ball through both gaps throughout the round. Behind the plate, his pop times were 1.97-2.01 seconds with quickness and accuracy to the bag. Spielman’s natural hitability is the carrying tool and the bat was on display again during yesterday’s workout.
Uncommitted, one of the top sophomores in the state’s sophomore class and in the Midwest, standing at 6-foot-1, 176 pounds with lean strength and room to add to the frame. At the plate, the left-handed hitter collected two RBIs. In the first inning, he got Milton on the board early with a line-drive single to center field. He features a smooth, fluid swing with consistent barrel control. Behind the plate, he is a clean blocker with athleticism out of the crouch with clean and steady hands with a strong arm behind the dish.
+ C Jack Spielmann (Milton, 2027) showcased exactly why he is one of the top prospects in the state of Wisconsin with his performance on Sunday. The left-handed hitting backstop started off his day by running a solid 7.07 seconds 60 yard dash showing quick burst and an athletic gait. Next, during hitting, Spielmann was hitting rockets throughout his round and was making loud contact up to 99 mph exit velocities off the barrel. His powerful left-handed swing is under control and balanced and showcases the ability to consistently control the barrel during his move to and through the baseball. On defense, Spielmann was up to 80 mph from behind the plate displaying some arm strength, carry and accuracy. The sophomore was measured at 6-foot-1, 176 with a projectable frame and more room to add. There’s no wonder why this 2027 grad is a nationally ranked prospect and our staff believes he will continue to climb.
Jack Spielmann, Milton (WI), 2027
Positional Profile: C/OF
Body: 6-1, 176-pounds. Athletic with projection.
Hit: LHH. Wider base, smooth, fluid and easy to hitting position on time. Serious hand quickness, loose, fluid and smooth bat speed through the ball, does damage to all fields, natural feel to hit. 65.9 mph bat speed with 22 G's of rotational acceleration.
Power: 99 max exit velocity, averaged 93.5 mph. 300' max distance.
Arm: RH. C-80 mph. High 3/4 slot, short arc, accuracy.
Defense: 2.14-2.22 pop times. Lets it travel, clean transfers, gets momentum going to second base, aggressive to second, clean blocker, aggressive on bunts.
ATH: 7.07 runner in the 60. 1.70 and 3.90 in the 10 and 30 yard splits. 22.00 max vertical.
Vizual Edge: 75.02 Edge Score