Brooke "No Mercy" Dierdorff, 5'4", 125 lbs, born
June 15, 1981, in Canton, Illinois.
Dierdorff grew up the youngest of 3 in a small town Somonauk, Illinois.
Brooke participated in Basketball, Volleyball, Softball, and Track
throughout school. Dierdorff was offered a scholarship to play
basketball but joined the U.S. Army instead after high school in 2000.
Dierdorff was enlisted in the U.S. Army for 2 years. While serving in
the Army Dierdorff attended a female fight and became interested in the
sport of boxing. Dierdorff was released from the Army and returned home
to Illinois where she found a boxing gym in her area. She began
training at Jessie (The) TorresBoxing Gym in Aurora, Illinois in October
Dierdorff competed in the Women's Chicago Golden Gloves Nationals in
October 2004 and took 2nd place in the open division at the 138 lb
weight division having never competed before. After the National
Tournament Dierdorff met Sam Colonna from Windy City Gym and she began
training with him. Dierdorff sacrificed the hour and a half drive to
Chicago to train with Sam Colonna.
Dierdorff competed in the Chicago Golden Gloves Tournament in May 2005
at the 125 lb weight class and took first place. After the Golden
Gloves Tournament Dierdorff competed in 7 shows throughout Chicago.
This took her record to a great 10-1.
In November 2005 Dierdorff competed once again in the Women's Chicago
Golden Gloves Nationals and took 2nd place competing three days in a
row. She beat two top contenders who were ranked 2nd and 3rd, losing by
decision in the finals.
In 2006 Dierdorff again competed in the Chicago Golden Gloves Tournament
taking first place.
Dierdorff is currently a manager and also attends college full time at
Colorado Technical University On-Line.
It won't be long before Dierdorff rises to the top. She currently still
trains with Sam Colonna and fiancé Chris.
Dierdorff has just turned pro leaving her amateur record a great 12-2.
Highlights of Dierdorff's Amateur Career:
Women's National Golden Gloves Silver Medalist: 2004;
Chicago Golden Gloves Champion: 2005
Women's National Golden Gloves Silver Medalist: 2005;
Chicago Golden Gloves Champion: 2006.
On September 1, 2006 at the Par-A-Dice Casino, in East Peoria,
Illinois, Dierdorff, 122.6, won her pro debut when she TKO'd
Geboria Mayfield, 122.5, in the second round of a scheduled
in a four-rounder.
January 26, 2007, at the Cicero Stadium, in Cicero, Illinois, promoted by
Eight Count and Golden Boy Promotions, Dierdorff, 123½, TKO’d Mercedes
Mercury, 127, in the fourth round of a scheduled four round
April 7, 2007, in Peoria, Illinois, Dierdorff raised her record to 3-0 with three knockouts
as she brutalized DJ Morrison, 0-2 of Billings, Montana from the
opening bell until the bout was stopped at 1:12 of the first round
of the junior lightweight bout.
This same month on April 20, 2007, at
the Star Plaza
Theater, in Merrillville, Indiana, Dierdorff pulled an upset when she beat seasoned
veteran Mia St. John, 136 ½. Dierdorff, 129, won by a
six-round split decision. (final judges scores 59-55 (St. John) ,
59-55, 58-56 (Dierdorff). According to the Bragging Rights Corner
website (braggingrightscorner.com) Dierdorff, a former amateur, came
out very aggressively in the early rounds, while St. John’s left eye
was nearly swollen short, finished the fight strong. Dierdorff
was a late replacement for Rita Figueroa who received an injury
during training and could not fight St. John. Dierdorff earned
an honorable mention with WBAN as fighter of the month. [Photos and
by Juan C. Ayllon] [Full
Story with photos] [
On July 2, 2007,
in Temecula, California, for a
scheduled six-round featherweight bout that was scheduled to be
televised. The fight was declared a technical draw and stopped after
round from an accidental headbutt that took place in the first
Photo by Mary Ann Owen
On September 21, 2007, at the
Meadowbrook Music Festival, in Rochester Hills, Michigan, Border
City Boxing Club's Jeannine "Heartless"Garside TKO'd (1:10
seconds) Dierdorff, in the sixth round, of a scheduled six
round bout. Both fighters carried undefeated records into the ring,
and there was no love lost between the two from the opening bell.
Garside knocked Dierdorff down three times, before referee Frank
Garza called a halt to the bout in round six. Garside's record
improved to 8-0-1, while Dierdorff's fell to 4-1-1. Photos by
In one news article they stated,
"Garside came out aggressively, sending Dierdorff down for a flash
knockdown at the end of the first round with an extended flurry
along the ropes. Showing her toughness, Dierdorff, recovered well
and the next five rounds were a festival of power punching that had
the crowd roaring at every turn of momentum. Back and forth the two
women went, first one taking the initiative and then the other. Dierdorff's
corner threw in the towel in the 6th and final round after Dierdorff
was knocked down again."
On January 31, 2008,
employing early round, ring-wide, movement and late round,
pinpoint punching, Alicia "Slick" Ashley, 121, lived up
to her nickname with a smooth eight round decision over a game
Brooke Dierdorff, 120, Thursday night at the Utopia
Paradise Theater in the Bronx, NY. The win gave Ashley the NABF
super bantamweight crown, a title that had been vacant. With the
win, the veteran Ashley improves her record to 14-7-1, while
Dierdorff drops to 4-2-1. The scorecards read, 79-73, 78-74,
80-72. [Report by Bernie McCoy
On March 27, 2008, at the Main
Street Armory, in Rochester, New York, featherweight Ela Nunez,
126, TKO’d Dierdorff, 127, 1:05 seconds in the fifth round
of a scheduled eight round.
On September 20, 2008, at the Mile High Events
Center, in Commerce City, Colorado,
Jennifer Barber, 125, won an eight-round unanimous decision over
Dierdorff, 124. The two were fighting for the vacant NABF featherweight title.
On April 4, 2009, in Tamaulipas Victoria,
Mexico, Brooke Dierdorff, 130, won an eight round unanimous
decision and became the new WBC International Lightweight
champion, when (76-77, 78-76, 77-75), when she defeated Mia St.
John, 131, in a rematch.
To check out a lot of videos and photos of Dierdorff, you can
visit her MySpace, www.myspace.com/nomercyboxerchick