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Corbin McAlpine

Corbin McAlpine RHP/C

  • Boxboro, MA
  • Acton-Boxborough Regional Highschool
  • Travel Team: NE Pride Baseball
  • Grad 2020
  • Ht 5'11''
  • Wt 175 lbs
  • Throws Right
  • Bats Right
  • Arm 84 mph
  • 60 Yd 7.59 Sec
  • Class 5
See our Tool Grade Scale


  • 2.07sec10 Yds
  • 5.38sec40 Yds
  • 7.59sec60 Yds
  • 4.31secH > 1B (RHH)
  • 5.00secShuttle (L)
  • 4.65secShuttle (R)


  • 8'0''Broad Jump
  • 6'2''Lateral Jump (L)
  • 6'7''Lateral Jump (R)
  • 111psiGrip (L)
  • 119psiGrip (R)


  • 84 mphmphVelocity
  • 52Arm Grade


  • 50Hitting Grade (R)
  • 48Power Grade (R)
  • 86 mphmphExit Velocity


  • 40Receiving Grade
  • 45Blocking Grade
  • 2.1secRelease Time


  • Arm Angle
  • 48Arm Action Grade
  • 52Control Grade
  • 48Delivery Grade
  • 80 – 81mphFASTBALL
  •  FB Grade
  • 69 – 70mphCURVEBALL
  • 50 CB Grade
  • 75 – 76mphCHANGEUP
  • 45 CH Grade


Official Scouting Report

  • 5Class Rating
  • RHP/CPosition Projection

06/09/2019 - College PREP - Medford (Boston), MA Corbin lowered pop times (2.10 seconds), and raised hitting numbers to 48 and 45 during his last workout with The Factory. On the mound, this RHP has a smooth delivery, a clean arm circle, and he gets good extension on his pitches. He works on a downhill plane, competes in the zone, and shows a solid upside. Behind the plate, Corbin blocks and receives well, he keeps his chin down, and his hands are firm. He has efficient footwork behind the dish and throws with momentum and carry to 2nd base. Offensively, Corbin has a good base, an athletic stance, and solid balance. He has fast bat speed, makes square/direct contact, and he uses his lower body.

11/18/2018 - College PREP - Marlborough (Boston), MA Corbin is an athletic RHP/3B prospect who continues to showcase his skills on the field. On the mound, Corbin gathers over the rubber and separates his hands on time. He works with a loose arm and extends through on his release, staying inline towards the plate. Corbin shows a three pitch mix with his fastball topping out at 81mph with good life. Breaking ball displays sharp 10-4 break. Changeup sits from 70-71mph with arm side run as he throws with deceptive arm speed. In the field, Corbin shows active footwork and is agile moving to the ball. He gets into an athletic position and fields the ball out in front. He makes a clean exchange and gets rid of the ball quickly, getting good carry through his target. At the plate, this RHH sets up in an athletic stance and takes a short stride. He is smooth getting into his load and leads well with his lower half. He takes a direct swing with fast bat speed which leads to loud contact and gap to gap pop. Overall, Corbin is a talented prospect who shows the skill set to contribute at the next level.

08/01/2018 - Baseball Factory National World Series at Pirate City - Session 2 (Ages 14-18) Corbin is a strong, athletic two-way prospect who has made some significant strides as a player. He shows feel on the mound with the ability to throw either of his pitches for strikes in any count. His delivery has good tempo as he stays in sync and directional towards the plate, working down in the zone. He features a fastball in the low 80's with arm side action and an 11-5 curveball with late break to produce ground balls and put hitters away. At the dish, his bat speed jumps out as he explodes through the zone on a level path to crush line drives all over the field. He is short to the ball and his lower half generates good pop to drive the ball for extra base ability. At the hot corner, he has firm hands to field and handle hard hit balls down the line, showing a quick exchange to throw. His arm is accurate across the diamond and he feeds the DP well. Speed and agility drills will improve quickness and range to get to every ball. Corbin is an intriguing, young prospect who has a bright future ahead of himself.


Corbin McAlpine Boxboro, MA 800-641-4487 @baseballfactory
Primary Position RHP
Grad Year 2020 Secondary Position C
High School Acton-Boxborough Regional Highschool Bats Right
Height 5'11'' Throws Right
Weight 175 LBS Arm 84 mph
60 YD 7.59

The chart below shows the levels of college baseball, along with the range of players with potential to be recruited at that level.

Division I Class 1 – 4
Division II Class 1 – 5
Division III Class 1 – 8
NAIA Class 1 – 6
JUCO Class 1 – 8

Tool Grade Scale

Our main goals with the BF "10-70" Scouting Scale are to provide the player with a realistic evaluation of his "PRESENT" abilities (what he can do today), and to provide college coaches with information they can use to identify and/or compare potential recruits.

Tools are graded for all players and pitchers, regardless of age or graduation year. However, for High School players we use only grades 20-70 (grades 10-18 do not apply), while for Middle School players we use only grades 10-52 (grades 55-70 do not apply).

GradeMiddle School (Ages 11-13) DescriptionHigh School (Ages 14-18) Description10 Yard Dash (seconds)40 Yard Dash (seconds)60 Yard Dash (seconds)Home-1B LHH (seconds)Home-1B RHH (seconds)5-10-5Shuttle [LEFT] (seconds)5-10-5Shuttle [RIGHT] (seconds)Broad Jump (inches)Lateral Broad [LEFT] (inches)Lateral Broad [RIGHT] (inches)Grip Strength [LEFT] (psi)Grip Strength [RIGHT] (psi)FB & Raw Velocity (mph)Bat Exit Velocity (mph)Catcher Release (seconds)
12Well Below Avg-----N/A-----2.407.4010.006.406.506.606.60403838353542353.50
15 -----N/A-----2.357.309.756.106.206.406.40454242404045383.25
18Below Avg-----N/A-----2.307.209.506.
20 Poor2.
22Near Avg 2.156.509.005.805.905.855.85605454555554503.00
25 Well Below Avg2.106.258.755.705.805.755.75645858606058552.90
28MS Average
30 Below Avg2.005.958.255.405.505.255.25746464707063622.70
32Solid Avg 1.955.808.005.205.305.105.10786868808067652.60
35 Near Avg1.905.657.754.905.005.005.00827272909071702.50
38Above Avg 1.885.457.504.804.904.954.9586747410010075752.40
40 HS Average1.855.257.404.704.804.904.9093767611011279802.25
42Well Above Avg 1.825.207.304.604.704.804.8098808011511581822.15
45 Solid Avg1.805.187.204.504.604.704.70103848411811883842.10
48Excellent 1.785.167.104.454.554.604.60108888812012085862.05
50 Above Avg1.765.147.054.404.504.504.50113929212512586882.00
52Outstanding 1.745.127.004.354.454.404.40118969612812887901.98
55-----N/A-----Well Above Avg1.725.106.954.304.404.304.3012310010013013088921.95
58-----N/A----- 1.705.056.904.254.354.254.2512810410413513589941.93
62-----N/A----- 1.664.956.804.
68-----N/A----- 1.624.856.604.
Please Note: We only use information gathered at Baseball Factory and Team One events and/or by Baseball Factory and Team One staff on our scouting reports. This allows us to maintain the integrity of our reports by publishing only what we see.

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