Jack
Duffer

7/11/18
As a defender looks to be a true centerfield prospect with his physical and defensive makeup. Ranges well in all directions with pure speed and athleticism. Plays through the baseball creating good momentum with aggressive approach. Arm works well through a high ¾ slot. A righty swinger that starts in an athletic stance. Uses a toe turn for timing while moving bat through a bat tip movement to load. Balanced launch with a nice, level path. Swing shows both strength and speed through the zone. Good athlete with gap pop. Continues to get cleaner/better each time we see him.
60-yard dash: 6.88
Outfield Velocity: 82
Exit Velocity: 86

2/18/18

6-foot-2, 173 pound lean, athletic outfielder showed a solid glove defensively fielding each attempt cleanly. Feet worked nicely displaying his agility. Gets to the side of the ball allowing him to attack it and take momentum into throws. Accurate arm while recording an 80 mph throwing velocity. High ceiling for him as he continues to add size and strength. Right-handed stick with fluid movements to loading sequence. Swing is compact on a slightly downhill plane. Offers a balanced arsenal of strength and bat speed. Long limbs allow him to do damage when he gets extended. An overall good athlete with the frame and natural tools to get on college radars.

60-yard dash: 7.06
Outfield Velocity: 78
Exit Velocity: 87

2/4/18

6-foot-2, 173 pound taller frame outfielding prospect has a longer swing that gets on plane fine allowing him for successful contact throughout his round. At times his hands got away from him. Just needs to keep hands closer to his body and stay connected through the ball. He hit 85 mph for his exit velocity producing many hard hit line-drives. Defensively Duffer fields it well getting to the side of the ball generating some good momentum through the ball up to his transfer process. He recorded 79 mph throwing velocity home with good strength and plus accuracy. Athletic, moves well and projects well for college.

1/20/18

Looks well well versed in the outfield. Feet work well and he is efficient through the baseball. Frame is athletic and he shows enough functional athleticism to play all three spots. At the plate he shows fluid pre launch movements. Swing is athletic and his long levers allow him to do damage when he gets extend. Can get downhill at times but showed impressive jump when he found plane. A run producer frame with a high ceiling as he adds strength.

60-yard Dash: 7.2
Outfield Velocity: 79
Exit Velocity: 83

1/27/18

6-foot-2, 173 pound right-hand hitting outfielder put on a good showing offensively with creating good separation in his uphill swing that stays in the zone long for good contact. Duffer swung the bat very well with power and it showed as he recorded an 85 mph exit velocity. A few swings took his stride wider than usual which interrupted his normal flow. Defensively he has a strong arm from the outfield at 80 mph. Duffer did a good job getting to the side of the baseball and generating momentum into his throws. His performance in the outfield was one of the better ones of the event which was aided by his running ability. He also ran the fastest home to first at 3.91 seconds. Duffer has a good, strong frame with room to grow and plenty of upside.

1/15/18

Ran a 6.95 60-yard dash.A right-handed hitter that starts in a tall, open setup. Pre launch movements are smooth and well timed. Load creates balanced and separation. Both strength and bat speed project as above average tools. Bat whips through the zone on a slightly downhill path. Really did damage when he was able to get extended. Registered a top exit velocity of 84 mph. In the outfield he plays low and under control in his approach. Actions are fluid and he does a nice job of keeping momentum through fielding into his throws. A very functional athlete that has the arm and ball skills to play center if need be but likely ends up in the corners. Threw to home plate with 79 mph arm strength.

5/31/17
Starts in an athletic setup and gets things started through a leg kick load. Swing has some movement to it but he does a nice job of syncing up his body. Flashed above average natural tools with more pop to his pull side. In the outfield he plays under control with fluidity. Plays through the ball cleanly and maintains momentum into his throws. Mechanically efficient. Arm strength would be area for improvement.

Home To First: 4.68
Outfield Velocity: 70
Exit Velocity: 79

2/19/17
6-foot, 165-pound prospect. In the outfield, he does a good job creating momentum through his throws. Fields the ball to the outside of his glove foot. Uses a crow hop. Long arm action with top velocity of 71 mph. Uses a bat tip/leg kick combo to initiate his loading sequence. Takes a downhill path to the ball with definite quickness to his bat. Showed gap to gap pop in batting practice.

60 Yard Dash: 7.39
Position Velocity: 71
Exit Velocity: 78