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John Roby

188 KOs

2412 KOs

2Draws

No contest: 1

Last six: L-D-L-L-L-L

Career

division

Lightweight

status

inactive

bouts

45

rounds

204

KO %

44.4%

KO wins

8

KO losses

12

career

1988–2004

debut

1988-08-01

last fight

2004-04-09

Profile

alias

Jackhammer

sex

M

stance

orthodox

nationality

United States

origin

United States

city / state / zip

Des Moines, Iowa

dob

1962-11-01

age

63

Latest news

Arizona Boxing News & Notes With Don Smith: Q&A with Jeff Mayweather, De ...

2013-05-21 · PhilBoxing.com

Q & A Introduction: "Jazzy" Jeff Mayweather's boxing legacy is secure by virtue of winning the IBO super featherweight title from John Roby on April 21, 1994, a title which he defended two times. After a successful career in the ring, Jeff followed in…

Fight history

date

w-l-d

last 6

result

18 6 0

L-KO

AdamÃ¢Â€Â™s Mark Hotel, Kansas City, Missouri, United States

5 of 8 · 131 / 129 lbs · 1:09

Judges: Ken Gray | Fred Fensom | Jerry Griffin

Referee: Mike England

14 2 0

L-TKO

Fort Garry Place, Winnipeg, Manitoba, Canada

2 · 134 / 136 lbs · 2:10

Judges: Rick Saul | Robert Tapper | Dan Roche

Referee: Bill Turner

10 0 0

L-TKO

Mare Island Sports Arena, Vallejo, California, United States

1 of 10 · 138 / 138 lbs · 1:38

Referee: Ray Balewicz

0 0 0

L-PTS

United Community Center, Milwaukee, Wisconsin, United States

4 of 4 · 134 / 138 lbs

Judges: Mike Fitzgerald

3 5 0

D-PTS

Janesville, Wisconsin, United States

4 of 4

33 10 1

L-UD

Dakota Magic Casino, Hankinson, North Dakota, United States

4 of 4 · 139 / 140 lbs

Judges: Lawrence Veralrud | Tom Walski | Kevin Milligan

23 22 2

L-UD

World Arena, Colorado Springs, Colorado, United States

8 of 8 · 142 / 148 lbs

16 0 0

L-TKO

Duckworth Centre, Winnipeg, Manitoba, Canada

8 of 10 · 142 / 145 lbs

Judges: Robert Tapper | Rick Saull | Dan Vandal

Referee: Bill Turner

Richard Felsing

15 1 0

L-TKO

Lawrence Convention Center, Pittsburgh, Pennsylvania, United States

2 · 141 / 140 lbs

34 4 1

L-UD

Coliseum, Marshalltown, Iowa, United States

6 of 6 · 137 lbs

Johar Abu-Lashin

22 4 0

?-ND

Harvey's Casino, Council Bluffs, Iowa, United States

6 of 6 · 140 / 144 lbs

4 4 0

W-KO

Mandan, North Dakota, United States

1 · 144 lbs

29 0 0

L-KO

Selland Arena, Fresno, California, United States

3 of 10 · 134 / 133 lbs · 1:42

Don Juan Futrell

15 3 0

D-PTS

Nassau, Bahamas

6 of 6 · 136 lbs

0 1 0

W-KO

Coliseum, Marshalltown, Iowa, United States

1 of 5 · 138 / 164 lbs · 1:02

Judges: Jeannie Joiner | Don Davidson | Gary Studevant

20 6 0

L-TKO

Turning Stone Casino, Verona, New York, United States

4 · 136 / 137 lbs

7 10 2

W-UD

Sokol Hall, Omaha, Nebraska, United States

4 of 4 · 158 / 145 lbs

Referee: Ron Stander

6 7 1

W-KO

Tel Aviv, Israel

2

21 3 1

L-KO

Marriott Hotel, Irvine, California, USA

4 · 129 / 128 lbs

Jeff Mayweather

23 5 2

L-PTS

Las Vegas, Nevada, United States

IBO International Boxing Organisation super featherweight title

12 of 12 · 129 / 130 lbs

20 1 0

L-KO

York Hall, Bethnal Green, London, United Kingdom

2 · 136 / 135 lbs

Oscar Washington

3 19 3

W-PTS

Des Moines, Iowa, United States

8 of 8

22 2 1

L-PTS

Randers Hallen, Randers, Denmark

8 of 8 · 136 lbs

13 6 1

L-UD

Punta Gorda, Florida, United States

10 of 10 · 129 / 129 lbs

14 1 0

L-PTS

Seattle, Washington, United States

10 of 10 · 132 / 133 lbs

14 4 0

W-TKO

Dalton, Georgia, United States

IBO International Boxing Organisation super featherweight title

5 of 12 · 129 lbs

4 2 2

W-SD

Union Hall, Countryside, Illinois, United States

6 of 6 · 135 / 132 lbs

Judges: Albert Tremari | Mike Glienna | Timothy Adams

Referee: Stanley Berg

10 3 2

L-PTS

Chicago, Illinois, United States

6 of 6 · 134 / 137 lbs

0 3 0

W-TKO

Beloit, Wisconsin, United States

1 · 135 lbs

3 8 0

W-PTS

Middleton, Wisconsin, United States

6 of 6 · 134 / 137 lbs

Judges: Mike Fitzgerald

Torrance Jackson

0 1 0

W-TKO

Saint Paul, Minnesota, United States

3 · 133 / 128 lbs

3 7 0

W-TKO

Beloit, Wisconsin, United States

2 of 6 · 140 / 140 lbs

Judges: Mike Fitzgerald

2 0 0

L-PTS

Great Western Forum, Inglewood, California, United States

4 of 4 · 132 / 132 lbs

4 1 1

L-KO

Great Western Forum, Inglewood, California, United States

4 · 133 / 136 lbs

Salvador Montes

3 0 2

L-KO

Great Western Forum, Inglewood, California, United States

1 · 132 / 137 lbs

5 1 1

L-PTS

Great Western Forum, Inglewood, California, USA

5 of 5 · 136 / 136 lbs

0 1 0

L-PTS

Great Western Forum, Inglewood, California, United States

4 of 4 · 137 lbs

0 1 0

W-KO

Los Angeles, California, United States

4 · 138 lbs

9 5 0

W-PTS

Country Club, Reseda, California, United States

5 of 5 · 136 / 136 lbs

6 9 1

W-PTS

Los Angeles, California, United States

6 of 6 · 134 lbs

5 7 1

W-PTS

Great Western Forum, Inglewood, California, United States

4 of 4 · 133 lbs

1 0 1

L-KO

Marriott Hotel, Irvine, California, USA

1 · 137 / 141 lbs

Margarito Gonzalez

0 2 0

W-MD

Hollywood Palladium, Hollywood, California, United States

4 of 4 · 136 / 141 lbs

0 1 0

W-UD

Great Western Forum, Inglewood, California, United States

4 of 4 · 134 / 135 lbs

1 1 0

W-MD

Great Western Forum, Inglewood, California, United States

4 of 4 · 135 / 137 lbs