Karim Mayfield (Hard Hitta) boxer
- bouts
- 27
- won
- 21
- lost
- 5
- draw
- 1
- Status
- active
- Division
- welterweight
- Debut
- 2006-06-23
- Height
- 5′ 7″/170cm
- Reach
- 66″/168cm
- Age
- 38
- Born
- 1980-12-14
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 2018-04-27 | Sergey Lubkovich | WWWWWW | KFC Yum! Center, Louisville | LOST Majority decision |
| 2018-04-07 | Gaku Takahashi | WLWLWL | Fairmont Hotel, San Francisco | WIN Unanimous decision |
| 2017-10-21 | Miguel Dumas | WWWWWW | Armory, San Francisco | WIN Unanimous decision |
| 2016-08-19 | Bakhtiyar Eyubov | WWWWWW | Rhinos Stadium, Rochester | LOST Split-decision |
| 2016-01-30 | Dmitry Mikhaylenko | WWWWWW | Bell Centre, Montreal | LOST Unanimous decision |
| 2014-11-08 | Michael Balasi | WWLLLL | Longshoremen's Hall, San Francisco | WIN Unanimous decision |
| 2014-07-18 | Emmanuel Taylor | WLWWWL | Paramount Theatre, Huntington | LOST Unanimous decision |
| 2014-03-29 | Thomas Dulorme | WLWWWW | The Ballroom, Boardwalk Hall, Atlantic City | LOST Unanimous decision |
| 2013-09-28 | Christopher Fernandez | LLLLWW | StubHub Center, Carson | WIN KO |
| 2012-10-27 | Mauricio Herrera | WWWWWL | Turning Stone Resort & Casino, Verona | WIN Unanimous decision |
| 2012-05-18 | Raymond Serrano | WWWWWW | Times Union Center, Albany | WIN Technical knockout |
| 2011-10-01 | Patrick Lopez | WWWWLL | Fitzgerald's Casino & Hotel, Tunica | WIN Unanimous decision |
| 2011-06-17 | Steve Forbes | LLWLWL | Frank Erwin Center, Austin | WIN Technical knockout |
| 2010-06-12 | Sergio Joel De la Torre | LLWDLL | Kezar Pavilion, San Francisco | WIN Technical knockout |
| 2010-03-19 | Mario Ramos | LLLWLL | Grand Sierra Resort and Casino, Grand Theatre, Reno | WIN Majority decision |
| 2009-11-21 | Francisco Santana | WWLWWW | Oracle Arena, Oakland | WIN Technical knockout |
| 2009-08-14 | Joshua Renteria | WWWLWL | Desert Diamond Casino, Tucson | WIN Unanimous decision |
| 2009-05-16 | Roberto Valenzuela | WLLWLW | Oracle Arena, Oakland | WIN Technical knockout |
| 2009-03-07 | Mario Alberto Lozano | WWWWWW | HP Pavilion, San Jose | WIN Unanimous decision |
| 2008-11-20 | Trenton Titsworth | DLLLLL | HP Pavilion, San Jose | WIN Unanimous decision |
| 2008-03-20 | Francisco Santana | WWWWWW | HP Pavilion, San Jose | WIN Split-decision |
| 2007-10-13 | Rahman Mustafa Yusubov | WWWWW | Sears Centre, Hoffman Estates | WIN Technical knockout |
| 2007-08-16 | Alejo Sepulveda | WW | Sports Arena, Los Angeles | WIN Technical knockout |
| 2007-07-19 | Ricardo Galindo | LWLLLL | Marriott Hotel, Irvine | WIN Technical knockout |
| 2007-05-24 | Jorge Alberto Padilla | WLLWDD | HP Pavilion, San Jose | DRAW |
| 2006-11-16 | Salvador Lopez | L | HP Pavilion, San Jose | WIN Technical knockout |
| 2006-06-23 | Chris Mickle | LW | Oakland Arena, Oakland | WIN Technical knockout |
