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Jack O’Brien

Position: Defense DOB: ⚠ Missing — add in admin Country: ?
Sacred Heart
AHA D1

Set Commitment

NCAA Division I

NCAA D3 / D2

Career Trajectory
Dashed = raw PPG  ·  ■ Solid blue = age-adjusted NCAAe-PPG  ·  ■ Green = actual college PPG
Junior Seasons
Season Team League GP G A Pts PPG NCAAe-PPG Age-Adj D3e-PPG Age-Adj
2021-22 Exeter NE-Prep 28 1 2 3 0.107 0.0212 0.0212 0.0488 0.0488
2022-23 Exeter NE-Prep 28 7 3 10 0.357 0.0707 0.0707 0.1627 0.1627
2023-24 The Hill School NE-Prep 14 1 2 3 0.214 0.0425 0.0425 0.0976 0.0976
■ Blue = NCAAe (D1 anchor)   ■ Green = D3e (D3 anchor)   COVID-flagged seasons highlighted in yellow

College Pathway Likelihood (based on 40 comparables)

8%
NCAA D1
5%
NCAA D2/D3
28%
Age-Out / Club
55%
Pro / Other

NCAAe Rankings

#22725
Defenseman overall
#1409
in NE-Prep

D1 Comparables

Kyle Mackey
USHL · 2012-13 · 0.16 PPG
→ Air Force (0.21 D1 FR PPG)
0.09 Average D
NCAAe PPG
Zach Yoder
USHL · 2012-13 · 0.10 PPG
→ Air Force (0.31 D1 FR PPG)
0.06 Strong D
NCAAe PPG
Lukas Buchta
USHL · 2012-13 · 0.05 PPG
→ Nebraska Omaha (0.12 D1 FR PPG)
0.03 Developing D
NCAAe PPG
Jake Bischoff
USHL · 2012-13 · 0.17 PPG
→ Minnesota (0.25 D1 FR PPG)
0.10 Average D
NCAAe PPG
Jimmy Mazza
USHL · 2012-13 · 0.17 PPG
→ Canisius (0.35 D1 FR PPG)
0.10 Strong D
NCAAe PPG

Sacred Heart Alumni similar profiles who attended this school

Nick Johnson
USHS-MN 2023-24
0.50
actual FR PPG at Sacred Heart
Grant Anderson
NAHL 2017-18
0.33
actual FR PPG at Sacred Heart
Hunter Sansbury
NE-Prep 2018-19
0.28
actual FR PPG at Sacred Heart
Luke Amell
NAHL 2021-22
0.14
actual FR PPG at Sacred Heart

D2/3 Comparables

Jake Mecrones
Rivier · 2018-19
0.091 Developing
actual D2/3 PPG
Austin Romzek
Nazareth · 2012-13
0.381 Average
actual D2/3 PPG
James Hope
Post · 2022-23
0.222 Developing
actual D2/3 PPG

How to read this: NCAAe and D3e factors convert a player's junior PPG into expected NCAA scoring at the D1 or D3 level. Harder conferences → lower projected PPG for the same player. A strong junior player (e.g. USHL 0.90 PPG) will project much higher in NESCAC than Big Ten because the D3 scoring environment is lower-difficulty.

Strength factor: conferences above 1.0 are harder than average; below 1.0 are easier. The formula is: Base NCAAe PPG ÷ Conference Strength = Projected PPG.