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Len Koivisto

Boxing referee

Bouts refereed

2015-10-10 · Jorge Linares vs Ivan Cano

WBC · KO · 4/12 · Caracas, Venezuela, Bolivarian Republic of

Judges: Harold Laurens | Hernan Guajardo | Fernando Barbosa

2014-11-22 · Roman Gonzalez vs Rocky Fuentes

WBC · TKO · 6/12 · Japan

Judges: Don Griffin | Lim Jun-Bae | Anek Hongtongkam

2013-12-31 · Takashi Miura vs Dante Jardon

WBC · TKO · 9/12 · Tokyo, Japan

Judges: Mauro Di Fiore | Cathy Leonard | Noppharat Sricharoen

2013-08-12 · Akira Yaegashi vs Oscar Blanquet

WBC · UD · 12/12 · Tokyo, Japan

Judges: Noppharat Sricharoen | Lim Jun-Bae | Don Griffin

2010-09-04 · Omar Nino vs Ronald Barrera

WBC · RTD · 7/12 · Jalisco, Mexico

Judges: Julie Lederman | Craig Metcalfe | Glen Rick Crocker

2009-08-22 · Sergey Gulyakevitch vs Humberto Gutierrez

WBC · MD · 12/12 · Mexico

Judges: Marty Sammon | Hubert Minn | Richard Flaherty