Boxers / Jack O'Halloran / Boxerbook rating

Jack O'Halloran: Boxerbook rating

Jack O'Halloran has a Boxerbook rating of 1452 ± 316 from 10 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since Jul 1973 (no bout for 12 months).

Rating1452 ± 316

Placenot listed

Counted bouts10

Unknown opponents0 of 10

Schedule, career1720

Schedule, 36 monthsno bouts

Form, last 51.3 of 3.5

Data confidence0%

Statusinactive since Jul 1973

Rating over time

μ at the end of each month with a bout, and of every month while active. Red dot: latest.

Bouts behind the rating

Every counted bout, newest first: the change in μ it caused (green up, red down), its weight and the rating after it. Unknown opponents: 0 of 10 bouts.

Boone Kirkman

Jul 12, 1973 · PTS · weight ×1.00 · opponent 1853

−19
→ 1452

Rahman Ali

Sep 13, 1972 · KO 8 · weight ×1.00 · opponent 1550

+116
→ 1471

Ken Norton

Mar 17, 1972 · UD 10/10 · weight ×1.05 · opponent 1751

−26
→ 1355

Ron Lyle

Nov 26, 1971 · KO 4/10 · weight ×1.05 · opponent 1789

−29
→ 1381