Heavyweight Boxing

Robert Fitzsimmons vs Philadelphia Jack O'Brien

A fight that actually happened — and everything both records say about it.

Robert Fitzsimmons and Philadelphia Jack O'Brien met 2 times (1904, 1905). Philadelphia Jack O'Brien won in 1905 by ko; Robert Fitzsimmons won in 1904.

Side by side

Robert Fitzsimmons		Philadelphia Jack O'Brien
—	Reach	—
71″ (180.3 cm)	Height	70″ (177.8 cm)
—	Reach advantage	—
69–12	Record	147–16
83%	Finish rate	37%
29	Longest unbeaten run	49
92	Recorded bouts	162
Orthodox	Stance	Orthodox

A comparison of what is on record. Nothing here predicts a result.

Common opponents

Both fought these 5. This is the comparison the siloed databases cannot make, because it needs every fight list linked to every other.

Opponent	Robert Fitzsimmons	Philadelphia Jack O'Brien
Jack Johnson	L	D
Joe Choynski	D	W
Joe Grim	W	W
Peter Maher	W	W
Joe Choynski	D	W

Robert Fitzsimmons vs Philadelphia Jack O'Brien

Side by side

Common opponents

Careers side by side

Robert Fitzsimmons

Philadelphia Jack O'Brien

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