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.
K.O. Sullivan (1-6 across 7 tracked bouts) and Leo Florian Hauck (144-36-23) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met 3 times. They share 3 common opponents.
K.O. Sullivan vs Leo Florian Hauck — record, stats and common opponents compared
Head to Head
Leo Florian Hauck leads 3–0- Leo Florian Hauck wonHauck vs SullivanNov 12, 1920 · NWS
- Leo Florian Hauck wonHauck vs SullivanMay 31, 1920 · NWS
- Leo Florian Hauck wonHauck vs SullivanMar 13, 1916 · NWS
The Numbers
- 1-6
- Record
- 144-36-23 (edge)
- 14.3%
- Win %
- 76.6% (edge)
- 0
- Wins by knockout
- 21 (edge)
- —
- KO rate
- 14.58%
- 0%
- Stoppage rate (tracked wins)
- 14% (edge)
- 1 (edge)
- Times stopped
- 2
- 0
- Title reigns
- 0
- 1.3
- Bouts per year
- 9.7 (edge)
- 7
- Bouts tracked
- 212
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
- —
- Age
- 137
- —
- Stance
- Orthodox
- —
- Division
- Heavyweight
- —
- Nationality
- United States
How They Win
Tracked bouts onlyK.O. Sullivan · 1 wins
KO/TKO
0
Decision
1
Other
0
Leo Florian Hauck · 145 wins
KO/TKO
21
Decision
12
Other
112
Counted from the bouts Kill The Body has ingested for each fighter (7 and 212 respectively), not from a career-complete method table.
Common Opponents
3 sharedK.O. Sullivan
LKO R1 · Apr 1920LPTS · Apr 1919Leo Florian Hauck
LNWS · Dec 1920LNWS · Nov 1920K.O. Sullivan
LNWS · Jul 1915Leo Florian Hauck
LNWS · Dec 1918LNWS · May 1917WPTS · Oct 1911WNWS · Mar 1911WNWS · Feb 1911
Shared opponents are matched on fighter identity, not on name — two different fighters with the same name never merge into one row.
Current Form
K.O. Sullivan
LLLLL
L5 streak · last fought Nov 12, 1920
Leo Florian Hauck
WWWDW
W3 streak · last fought Aug 9, 1926
Common Questions
- Have K.O. Sullivan and Leo Florian Hauck ever fought each other?
- Yes. K.O. Sullivan and Leo Florian Hauck have met 3 times and Leo Florian Hauck leads the series 3-0.
- Who has the better record, K.O. Sullivan or Leo Florian Hauck?
- K.O. Sullivan is 1-6 across the 7 bouts Kill The Body has tracked and Leo Florian Hauck is 144-36-23. Leo Florian Hauck has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
- Who has more knockouts, K.O. Sullivan or Leo Florian Hauck?
- K.O. Sullivan has 0 knockout wins and Leo Florian Hauck has 21. Leo Florian Hauck has more.
- Do K.O. Sullivan and Leo Florian Hauck have any common opponents?
- K.O. Sullivan and Leo Florian Hauck share 3 common opponents: Gene Tunney, Al McCoy and Battling Levinsky. K.O. Sullivan fared better against 1 of them.
- How much fight data does Kill The Body have on K.O. Sullivan and Leo Florian Hauck?
- This comparison is drawn from 7 bouts tracked for K.O. Sullivan and 212 bouts tracked for Leo Florian Hauck. Method and activity splits reflect those bouts only.