Heads up: at least one of these records is a tracked record — the wins and losses Kill The Body has ingested so far, not an independently verified career total. Treat the comparison as a read on the bouts we hold, not a settled ledger.
Jackie O'Brien (0-3 across 3 tracked bouts) and Tony DeMarco (58-12-1) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met once. They share 2 common opponents.
Jackie O'Brien vs Tony DeMarco — record, stats and common opponents compared
Head to Head
Tony DeMarco leads 1–0- Tony DeMarco wonDeMarco vs O'BrienMar 1, 1952 · SD
The Numbers
- 0-3
- Record
- 58-12-1 (edge)
- 0%
- Win %
- 82.4% (edge)
- 0
- Wins by knockout
- 33 (edge)
- —
- KO rate
- 56.9%
- —
- Stoppage rate (tracked wins)
- 57%
- 0 (edge)
- Times stopped
- 7
- 0
- Title reigns
- 2 (edge)
- 0.8
- Bouts per year
- 5.3 (edge)
- 3
- Bouts tracked
- 71
One or both records are tracked, not career-verified.
Counted from bouts Kill The Body has ingested, not a career total.
Counted from bouts Kill The Body has ingested, not a career total.
Across each fighter's tracked career span.
Tale of the Tape
- —
- Height
- 5′5″ (165 cm)
- —
- Age
- 94
- —
- Division
- Welterweight
- —
- Nationality
- United States
How They Win
Tracked bouts onlyJackie O'Brien · 0 wins
No tracked wins yet.
Tony DeMarco · 58 wins
KO/TKO
33
Decision
25
Other
0
Counted from the bouts Kill The Body has ingested for each fighter (3 and 71 respectively), not from a career-complete method table.
Common Opponents
2 sharedShared opponents are matched on fighter identity, not on name — two different fighters with the same name never merge into one row.
Current Form
Jackie O'Brien
LLL
L3 streak · last fought Oct 25, 1955
Tony DeMarco
WWLWW
W2 streak · last fought Feb 6, 1962
Common Questions
- Have Jackie O'Brien and Tony DeMarco ever fought each other?
- Yes. Jackie O'Brien and Tony DeMarco met once on March 1, 1952, and Tony DeMarco won by SD.
- Who has the better record, Jackie O'Brien or Tony DeMarco?
- Jackie O'Brien is 0-3 across the 3 bouts Kill The Body has tracked and Tony DeMarco is 58-12-1. Tony DeMarco has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
- Who has more knockouts, Jackie O'Brien or Tony DeMarco?
- Jackie O'Brien has 0 knockout wins and Tony DeMarco has 33. Tony DeMarco has more.
- Do Jackie O'Brien and Tony DeMarco have any common opponents?
- Jackie O'Brien and Tony DeMarco share 2 common opponents: Carmen Basilio and Johnny Saxton. Neither fighter fared better across the shared opponents overall.
- How much fight data does Kill The Body have on Jackie O'Brien and Tony DeMarco?
- This comparison is drawn from 3 bouts tracked for Jackie O'Brien and 71 bouts tracked for Tony DeMarco. Method and activity splits reflect those bouts only.