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Mason Langenbrunner Elite Prospects ↗

Position: Defense DOB: 2002-09-14 Country: USA
2020 · Round 5, Pick #151  ·  Boston Bruins Boston Bruins
No commitment set

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
2019-20 Eden Prairie USHS-MN 31 5 16 21 0.677 0.0858 0.0858 0.1645 0.1645
2020-21 Eden Prairie USHS-MN 24 5 26 31 1.292 0.1635 0.1635 — —
2021-22 — USHL 61 2 20 22 0.361 0.2128 0.2066 1.0833 1.0515
■ Blue = NCAAe (D1 anchor)   ■ Green = D3e (D3 anchor)   COVID-flagged seasons highlighted in yellow
College Seasons (Historical)
Season School Div Conference Year GP G A Pts PPG
2025-26 Harvard D1 ECAC SR 32 2 8 10 0.312
2024-25 Harvard D1 ECAC — 33 6 4 10 0.303
2023-24 Harvard D1 ECAC — 32 0 5 5 0.156
2022-23 Harvard D1 ECAC — 33 1 0 1 0.030
Pre-College Projection vs. Actual Freshman Year
Projected PPG
0.18
before college
→
Actual FR PPG
0.03
2022-23 · Harvard
-83.1% vs. projection

College Pathway Likelihood (based on 40 comparables)

75%
NCAA D1
0%
NCAA D2/D3
10%
Age-Out / Club
15%
Pro / Other

NCAAe Rankings

#4463
Defenseman overall
#1134
Defenseman born in 2002

D1 Comparables

Tommy Davis
USHL · 2012-13 · 0.34 PPG
→ Princeton (0.29 D1 FR PPG)
0.20 Average D
NCAAe PPG
Christian Neumann
USHL · 2012-13 · 0.29 PPG
→ UConn (0.10 D1 FR PPG)
0.16 Developing D
NCAAe PPG
Mike McKee
USHL · 2012-13 · 0.50 PPG
→ Western Michigan (0.05 D1 FR PPG)
0.28 Developing D
NCAAe PPG
Neal Goff
USHL · 2012-13 · 0.18 PPG
→ Western Michigan (0.14 D1 FR PPG)
0.10 Developing D
NCAAe PPG
Ryan Murray
WHL · 2012-13 · 0.74 PPG
→ Hamline (0.28 D1 FR PPG)
0.35 Average D
NCAAe PPG

D2/3 Comparables

Boyd Stahlbaum
Wisconsin-Stout · 2021-22
1.111 Elite
actual D2/3 PPG
Jacob Ratcliffe
Westfield State · 2016-17
0.846 Strong
actual D2/3 PPG
Mike Mikulan
Aurora · 2010-11
0.824 Strong
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.