LiamShanahan
CCLSU
6'5" • 300lbsDraft Eligibility:2022
- Overall Grade '21
- 66.7
- 96th/299 - Cs
- Pass Block Grade '21
- 78.9
- 32nd/299 - Cs
- Run Block Grade '21
- 61.5
- 156th/299 - Cs
- Snap Count '21
- 845
- 29th/299 - Cs
Liam
Shanahan
C
|
LSU
BIO
GRADES
SEASON STATS
Mock Draft Simulator
Summary Bio
Summary Bio
Last updated: 10/28/2026
Liam Shanahan was an center for the New England Patriots who earned a 66.7 overall PFF grade in the 2021 season, 96th among 299 qualified centers. He played 845 offensive snaps on the season.
His PFF pass-blocking grade of 78.9 ranked 32nd among 299 qualified centers. His run-blocking grade of 61.5 ranked 156th at the position.
He allowed 12 total pressures in pass protection. That total included 2 sacks and 1 hits allowed to opposing pass rushers. He was flagged for 4 penalties over the course of the season.
Career
Career
Teams
Year
New England Patriots
2021 - Present
LSU Tigers
2020 - 2021
Harvard Crimson
2019 - 2020
PFF Grades
PFF Grades
2021
Regular
Players receive a ranking if they qualify 25% of the maximum targets, run attempts or dropbacks at the position (depending on the metric).
OVERALL GRADE
66.7
AVG
96th/299 Cs
RUN BLOCKING GRADE
61.5
AVG
156th/299 Cs
PASS BLOCKING GRADE
78.9
AVG
32nd/299 Cs
Highest Graded Games
Highest Graded Games
vsALUN
75.8
Week 14, 2020
vsALUN
75.8
Week 14, 2020
vsLAMC
74.1
Week 2, 2021
Lowest Graded Games
Lowest Graded Games
@KSST
53.3
Week BG, 2021
vsALAU
54.6
Week 5, 2021
vsARUN
54.6
Week 11, 2021
Grades by Game
Grades by Game
View in Premium Stats
Premium Stats
There's no Grades by Game data available for this player.
Season Stats
Season Stats
2021
Regular
Players receive a ranking if they qualify 25% of the maximum targets, run attempts or dropbacks at the position (depending on the metric).
OFFENSE SNAPS PLAYED
845
29th/299 Cs
PENALTIES
4
177th/299 Cs
SACKS ALLOWED
2
175th/299 Cs
Blocking
View in Premium Stats
Rank
29
th
Offensive Snaps Played
845
17
th
Pass Block Snaps Played
517
116
th
Run Block Snaps Played
328
177
th
Penalties
4
175
th
Sacks Allowed
2
76
th
Hits Allowed
1
176
th
Total Pressure Allowed
12
Positional Pivots
View in Premium Stats
Rank
36
th
Snaps Played at LT
0
85
th
Snaps Played at LG
0
25
th
Snaps Played at C
845
104
th
Snaps Played at RG
0
39
th
Snaps Played at RT
0
31
st
Snaps Played at TE
0
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