DU
Jack O'callaghan
LB · #9 · Denison University
Height5'9"
Weight190 lbs
Est. eligibility2 yrs
Production index
Not rated
Roster status
Rostered
Last updatedSep 11, 2026, 10:37 PM
Agency representation
Represented by agencyAgency details available to authorized users
Background
2025 (Junior): Appeared in four games during junior season 2024 (Sophomore): Appeared in three games Recorded two tackles Had first-career tackle in Denison’s 14-0 win against Kenyon (Sept. 21) 2023 (First-Year): Appeared in one game as a rookie Rushed twice for nine yards Personal: Global Commerce major Son of Brian and Suzanne O'Callaghan Father, Brian, played football and lacrosse at Denison Also played hockey and lacrosse and was a member of the Honor Roll at the King School
Hometown
🏴Katonah, NY
High schoolKing School (Conn.)
Career path
Career stats
| YR | SCHOOL | GP | GS | DEF SNAPS | PROD | TACK | SOLO | TFL | TACK YDS | SACK | PDEF | PBU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Denison University | 2 | 0 | -- | -- | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2025 | Denison University | 4 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | Denison University | 3 | 0 | -- | -- | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2023 | Denison University | 1 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Career | 10 | 1 | -- | -- | 7 | 2 | 0 | 0 | 0 | 0 | 0 |
Injury history
Injury history availableInjury details available to authorized users
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Profile last updated Sep 11, 2026