The Purple Aces do not have a top round prospect for this year’s draft. However, they do have several very good veteran college baseball players who have led them to a strong 2024 season to date. Offensively, the Aces are led by graduate student Mark Shallenberger a 6-foot-2, 220-pound left fielder who has a polished left handed swing and the performance (.382/.531/.701, 11 HR, 7% K rate) to deserve a chance in professional baseball, despite his age (24).
6/05/18
Shallenberger is a strong and well-built 6-foot-2 195-pound left-handed hitting outfielder, first baseman and left-handed pitcher in Missouri’s 2019 class. He ran a 4.61 home to first and has an 84 mph exit velocity. At the plate, consistent hard contact with gap to gap approach, more power to pull gap, starts with weight in back leg, attacks ball, loose hands generate quick bat with level plane. In the outfield, high three quarters release, plays through the ball, aggressive with clean exchange, 83 mph positional velocity. At first base, aggressive to the ball, high three quarters arm slot, quick transfer and throw, accurate, 79 mph positional velocity. On the mound, Shallenberger comes from a high three quarters arm slot, smooth acceleration down the mound, throwing with some effort, opens slightly with stride, fastball worked mostly 80-81 mph, showed a sharp and late breaking ball at 68-69 mph, put away pitch, good feel, showed feel and maintained fastball arm speed with change up at 72 mph, attacks hitters, has good mound presence and feel.
2/10/18
Shallenberger is a 6-foot-2 195-pound left-handed hitting first baseman and left-handed pitcher in Missouri’s 2019 class. He ran a 7.25 60 and has an 88 mph exit velocity. At the plate, starts loaded in back side, no wasted movement pre-pitch, short in line stride, loose hands with feel for the barrel, gap to gap line drives, consistent hard contact, flashed pull power, body stays under control, repeats swing. On the infield, 81 mph positional velocity, three quarters arm slot, fluid and athletic actions, stays under control, mostly accurate throws, quick catch and throw, soft hands. On the mound, Shallenberger has a clean delivery, shows the ability to repeat, athletic, over the top release, strike throw with feel for three pitches, fastball at 81-82, consistently down in zone with slight run, 12-to-6 breaking ball, down, has feel for change up with fastball arm speed, throws for a strike, arm side running action.
6/13/17
Shallenberger is a 6-foot-1 185-pound left-handed hitting outfielder and left-handed pitcher in Missouri’s 2019 class. He ran a 7.65 laser timed 60 and a 4.89 home to first. He has an 82 mph exit velo. At the plate, starts loaded on back leg, minimal load, in line stride, quick hands with level bat path, hard pull side contact during batting practice. In the outfield, 78 mph positional velo, crow hop, high three quarters actions, clean exchange with momentum through the catch, mostly accurate throws. On the infield, 71 mph positional velo, clean exchange, high three quarters release, fluid footwork, accurate throws. Doubled to left center in game action. On the mound, Shallenberger has an over the top release, aggressive stride length, in line down the mound, wide shoulders, strong lower half, throws with some effort, works the entire zone with fastball at 77-79 mph, curveball has 1-to-7 spin, some with late break.
2/20/17
Shallenberger is a 6-foot-1 185-pound left-handed hitting first baseman in Missouri’s 2019 class. He ran a 4.40 home to first and has and exit velocity of 83 mph. At the plate, starts loaded in back leg, open stance, toe tap for timing, loose hand creating quick bat speed, level path, mostly pull side line drives, during hitting eval, flashing power. At first base, 74 mph positional velo, high three quarters arm slot, quick feet to the ball, fields in athletic position, quick catch and throw.
6/14/16
Shallenberger is a 6-foot 180-pound right-handed hitting first baseman in Missouri’s 2019 class. He ran a 7.31 60 and a 4.54 home-to-first. He has an 81 mph exit velo. At the plate, minimal load, attacks ball, showed power to pull side, swing produced solid contact to the pull side of the field. On the infield, high three quarters release, made all plays cleanly with fluid footwork and clean exchange.
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Shallenberger is a strong and well-built 6-foot-2 195-pound left-handed hitting outfielder, first baseman and left-handed pitcher in Missouri’s 2019 class. He ran a 4.61 home to first and has an 84 mph exit velocity. At the plate, consistent hard contact with gap to gap approach, more power to pull gap, starts with weight in back leg, attacks ball, loose hands generate quick bat with level plane. In the outfield, high three quarters release, plays through the ball, aggressive with clean exchange, 83 mph positional velocity. At first base, aggressive to the ball, high three quarters arm slot, quick transfer and throw, accurate, 79 mph positional velocity. On the mound, Shallenberger comes from a high three quarters arm slot, smooth acceleration down the mound, throwing with some effort, opens slightly with stride, fastball worked mostly 80-81 mph, showed a sharp and late breaking ball at 68-69 mph, put away pitch, good feel, showed feel and maintained fastball arm speed with change up at 72 mph, attacks hitters, has good mound presence and feel.
Shallenberger is a 6-foot-2 195-pound left-handed hitting first baseman and left-handed pitcher in Missouri’s 2019 class. He ran a 7.25 60 and has an 88 mph exit velocity. At the plate, starts loaded in back side, no wasted movement pre-pitch, short in line stride, loose hands with feel for the barrel, gap to gap line drives, consistent hard contact, flashed pull power, body stays under control, repeats swing. On the infield, 81 mph positional velocity, three quarters arm slot, fluid and athletic actions, stays under control, mostly accurate throws, quick catch and throw, soft hands. On the mound, Shallenberger has a clean delivery, shows the ability to repeat, athletic, over the top release, strike throw with feel for three pitches, fastball at 81-82, consistently down in zone with slight run, 12-to-6 breaking ball, down, has feel for change up with fastball arm speed, throws for a strike, arm side running action.
Shallenberger is a 6-foot-1 185-pound left-handed hitting outfielder and left-handed pitcher in Missouri’s 2019 class. He ran a 7.65 laser timed 60 and a 4.89 home to first. He has an 82 mph exit velo. At the plate, starts loaded on back leg, minimal load, in line stride, quick hands with level bat path, hard pull side contact during batting practice. In the outfield, 78 mph positional velo, crow hop, high three quarters actions, clean exchange with momentum through the catch, mostly accurate throws. On the infield, 71 mph positional velo, clean exchange, high three quarters release, fluid footwork, accurate throws. Doubled to left center in game action. On the mound, Shallenberger has an over the top release, aggressive stride length, in line down the mound, wide shoulders, strong lower half, throws with some effort, works the entire zone with fastball at 77-79 mph, curveball has 1-to-7 spin, some with late break.
Shallenberger is a 6-foot-1 185-pound left-handed hitting first baseman in Missouri’s 2019 class. He ran a 4.40 home to first and has and exit velocity of 83 mph. At the plate, starts loaded in back leg, open stance, toe tap for timing, loose hand creating quick bat speed, level path, mostly pull side line drives, during hitting eval, flashing power. At first base, 74 mph positional velo, high three quarters arm slot, quick feet to the ball, fields in athletic position, quick catch and throw.
Shallenberger is a 6-foot 180-pound right-handed hitting first baseman in Missouri’s 2019 class. He ran a 7.31 60 and a 4.54 home-to-first. He has an 81 mph exit velo. At the plate, minimal load, attacks ball, showed power to pull side, swing produced solid contact to the pull side of the field. On the infield, high three quarters release, made all plays cleanly with fluid footwork and clean exchange.