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Samuel Tuivailala

Born: 10/19/1992 (Age: 21)
Bats: Right Throws: Right
Height: 6' 3" Weight: 195
Mechanics
Lightning quick arm, short on the back half, some drop in his arm action but brings it back up quickly. Good athlete; converted infielder. Works exclusively from the stretch. Some effort in delivery, reliever all the way. Repeats his delivery well on the lower half, but his release point is inconsistent.
Evaluator Jeff Moore
Report Date 06/14/2014
Affiliate Palm Beach Cardinals (High A, Cardinals)
Dates Seen 4/5, 4/28, 6/7/14
OFP 50
Realistic 45, Middle Reliever
Video No
Pitch Type Present Grade Future Grade Sitting Velocity Peak Velocity Report
Fastball 50 65 94-96 97 Plus velocity, explodes towards the plate at the end. Not a lot of movement but some minimal arm-side run. Below-average present command. Still learning to repeat arm-slot so command has lots of room to improve.
Slider 45 60 79-81 82 Below average present command. Hard downward break. Pitch has real potential if he learns to command it. Can be a bat-missing pitch.
Overall

A potential grade and a half jump between present and future grades is more than I would usually be willing to put on a prospect, but Tuivailala is a converted position player who hasn't been pitching very long, so there's a lot of room for growth. He is still very raw and is very much in the middle of the transition from thrower to pitcher. He does, however, show glimpse of being a player who is succeeding at that transition. The arm is fantastic, and generates premium velocity with ease. His slider is still quite raw, but he generates good spin and movement with the pitch. Once he learns to command it better, it can be a second plus pitch.

For Tuivailala, however, that's it. He has no off-speed pitch and could struggle against left-handed hitters if he doesn't come up with something to combat them - perhaps a cutter. That said, he does have the ability to miss bats that could allow him to pitch in late innings. If he doesn't develop something to throw to lefties, he'll settle in is an effective right-handed specialist, but even a show-me offering against off-handed hitters could be enough to allow him to pitch late in games.

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