Welterweight • International Boxing Federation

Current champion: Errol Spence Jr (6 title defenses)

Scheduled bout: Errol Spence Jr v Terence Crawford

Timeline

  1. 4 Feb 1984

    Donald Curry beats Marlon Starling via unanimous decision 15/15

    Welterweight (147 lb)

    Donald Curry becomes the IBF Welterweight world champion

  2. 21 Apr 1984

    Donald Curry beats Elio Diaz via corner retirement 7/15

    Welterweight (147 lb)

  3. 22 Sep 1984

    Donald Curry beats Nino La Rocca via knockout 6/15

    Welterweight (147 lb)

  4. 19 Jan 1985

    Donald Curry beats Colin Jones via knockout 4/15

    Welterweight (147 lb)

  5. 6 Dec 1985

    Donald Curry beats Milton McCrory via knockout 2/15

    Welterweight (147 lb)

  6. 27 Sep 1986

    Lloyd Honeyghan beats Donald Curry via corner retirement 6/15

    Welterweight (147 lb)

    Lloyd Honeyghan becomes the IBF Welterweight world champion

  7. 22 Feb 1987

    Lloyd Honeyghan beats Johnny Bumphus via knockout 2/15

    Welterweight (147 lb)

  8. 18 Apr 1987

    Lloyd Honeyghan beats Maurice Blocker via unanimous decision 12/12

    Welterweight (147 lb)

  9. 30 Aug 1987

    Lloyd Honeyghan beats Gene Hatcher via knockout 1/15

    Welterweight (147 lb)

  10. 28 Oct 1987

    Lloyd Honeyghan's IBF Welterweight world title reign ends

  11. 23 Apr 1988

    Simon Brown beats Tyrone Trice via knockout 14/15

    Welterweight (147 lb)

    Simon Brown becomes the IBF Welterweight world champion

  12. 16 Jul 1988

    Simon Brown beats Jorge Vaca via knockout 3/15

    Welterweight (147 lb)

  13. 14 Oct 1988

    Simon Brown beats Mauro Martelli via unanimous decision 12/12

    Welterweight (147 lb)

  14. 18 Feb 1989

    Simon Brown beats Jorge Maysonet via knockout 3/12

    Welterweight (147 lb)

  15. 27 Apr 1989

    Simon Brown beats Al Long via knockout 7/12

    Welterweight (147 lb)

  16. 20 Sep 1989

    Simon Brown beats Bobby Joe Young via knockout 2/12

    Welterweight (147 lb)

  17. 9 Nov 1989

    Simon Brown beats Luis Santana via unanimous decision 12/12

    Welterweight (147 lb)

  18. 1 Apr 1990

    Simon Brown beats Tyrone Trice via knockout 10/12

    Welterweight (147 lb)

  19. 18 Mar 1991

    Simon Brown beats Maurice Blocker via knockout 10/12

    Welterweight (147 lb)

  20. 1 May 1991

    Simon Brown's IBF Welterweight world title reign ends

  21. 4 Oct 1991

    Maurice Blocker beats Glenwood Brown via split decision 12/12

    Welterweight (147 lb)

    Maurice Blocker becomes the IBF Welterweight world champion

  22. 28 Aug 1992

    Maurice Blocker beats Luis Garcia via split decision 12/12

    Welterweight (147 lb)

  23. 19 Jun 1993

    Felix Trinidad beats Maurice Blocker via knockout 2/12

    Welterweight (147 lb)

    Felix Trinidad becomes the IBF Welterweight world champion

  24. 6 Aug 1993

    Felix Trinidad beats Luis Garcia via knockout 1/12

    Welterweight (147 lb)

  25. 23 Oct 1993

    Felix Trinidad beats Anthony Stephens via knockout 10/12

    Welterweight (147 lb)

  26. 29 Jan 1994

    Felix Trinidad beats Hector Camacho via unanimous decision 12/12

    Welterweight (147 lb)

  27. 17 Sep 1994

    Felix Trinidad beats Luis Ramon Campas via knockout 4/12

    Welterweight (147 lb)

  28. 10 Dec 1994

    Felix Trinidad beats Oba Carr via knockout 8/12

    Welterweight (147 lb)

  29. 8 Apr 1995

    Felix Trinidad beats Roger Turner via knockout 2/12

    Welterweight (147 lb)

  30. 18 Nov 1995

    Felix Trinidad beats Larry Barnes via knockout 4/12

    Welterweight (147 lb)

  31. 10 Feb 1996

    Felix Trinidad beats Rodney Moore via corner retirement 4/12

    Welterweight (147 lb)

  32. 18 May 1996

    Felix Trinidad beats Freddie Pendleton via knockout 5/12

    Welterweight (147 lb)

  33. 7 Sep 1996

    Felix Trinidad beats Ray Lovato via knockout 6/12

    Welterweight (147 lb)

  34. 11 Jan 1997

    Felix Trinidad beats Kevin Lueshing via knockout 3/12

    Welterweight (147 lb)

  35. 3 Apr 1998

    Felix Trinidad beats Mahenge Zulu via knockout 4/12

    Welterweight (147 lb)

  36. 20 Feb 1999

    Felix Trinidad beats Pernell Whitaker via unanimous decision 12/12

    Welterweight (147 lb)

  37. 29 May 1999

    Felix Trinidad beats Hugo Pineda via knockout 4/12

    Welterweight (147 lb)

  38. 18 Sep 1999

    Felix Trinidad beats Oscar De La Hoya via majority decision 12/12

    Welterweight (147 lb)

  39. 3 Mar 2000

    Felix Trinidad's IBF Welterweight world title reign ends

  40. 26 Aug 2000

    Vernon Forrest v Raul Frank results in a no contest 3/12

    Welterweight (147 lb)

  41. 12 May 2001

    Vernon Forrest beats Raul Frank via unanimous decision 12/12

    Welterweight (147 lb)

    Vernon Forrest becomes the IBF Welterweight world champion

  42. 12 Dec 2001

    Vernon Forrest's IBF Welterweight world title reign ends

  43. 13 Apr 2002

    Michele Piccirillo beats Cory Spinks via unanimous decision 12/12

    Welterweight (147 lb)

    Michele Piccirillo becomes the IBF Welterweight world champion

  44. 22 Mar 2003

    Cory Spinks beats Michele Piccirillo via unanimous decision 12/12

    Welterweight (147 lb)

    Cory Spinks becomes the IBF Welterweight world champion

  45. 13 Dec 2003

    Cory Spinks beats Ricardo Mayorga via majority decision 12/12

    Welterweight (147 lb)

  46. 10 Apr 2004

    Cory Spinks beats Zab Judah via unanimous decision 12/12

    Welterweight (147 lb)

  47. 4 Sep 2004

    Cory Spinks beats Miguel Angel Gonzalez via unanimous decision 12/12

    Welterweight (147 lb)

  48. 5 Feb 2005

    Zab Judah beats Cory Spinks via knockout 9/12

    Welterweight (147 lb)

    Zab Judah becomes the IBF Welterweight world champion

  49. 14 May 2005

    Zab Judah beats Cosme Rivera Yocupicio via knockout 3/12

    Welterweight (147 lb)

  50. 8 Apr 2006

    Floyd Mayweather Jr beats Zab Judah via unanimous decision 12/12

    Welterweight (147 lb)

    Floyd Mayweather Jr becomes the IBF Welterweight world champion

  51. 20 Jun 2006

    Floyd Mayweather Jr's IBF Welterweight world title reign ends

  52. 28 Oct 2006

    Kermit Cintron beats Mark Suarez via knockout 5/12

    Welterweight (147 lb)

    Kermit Cintron becomes the IBF Welterweight world champion

  53. 14 Jul 2007

    Kermit Cintron beats Walter Dario Matthysse via knockout 2/12

    Welterweight (147 lb)

  54. 23 Nov 2007

    Kermit Cintron beats Jesse Feliciano via knockout 10/12

    Welterweight (147 lb)

  55. 12 Apr 2008

    Antonio Margarito beats Kermit Cintron via knockout 6/12

    Welterweight (147 lb)

    Antonio Margarito becomes the IBF Welterweight world champion

  56. 25 Jul 2008

    Antonio Margarito's IBF Welterweight world title reign ends

  57. 2 Aug 2008

    Joshua Clottey beats Zab Judah via technical decision 9/12

    Welterweight (147 lb)

    Joshua Clottey becomes the IBF Welterweight world champion

  58. 16 Apr 2009

    Joshua Clottey's IBF Welterweight world title reign ends

  59. 1 Aug 2009

    Isaac Hlatshwayo beats Delvin Rodriguez via split decision 12/12

    Welterweight (147 lb)

    Isaac Hlatshwayo becomes the IBF Welterweight world champion

  60. 11 Dec 2009

    Dejan Zavec beats Isaac Hlatshwayo via knockout 3/12

    Welterweight (147 lb)

    Dejan Zavec becomes the IBF Welterweight world champion

  61. 9 Apr 2010

    Dejan Zavec beats Rodolfo Ezequiel Martinez via knockout 12/12

    Welterweight (147 lb)

  62. 4 Sep 2010

    Dejan Zavec beats Rafal Jackiewicz via majority decision 12/12

    Welterweight (147 lb)

  63. 18 Feb 2011

    Dejan Zavec beats Paul Delgado via knockout 5/12

    Welterweight (147 lb)

  64. 3 Sep 2011

    Andre Berto beats Dejan Zavec via corner retirement 5/12

    Welterweight (147 lb)

    Andre Berto becomes the IBF Welterweight world champion

  65. 8 Nov 2011

    Andre Berto's IBF Welterweight world title reign ends

  66. 9 Jun 2012

    Randall Bailey beats Mike Jones via knockout 11/12

    Welterweight (147 lb)

    Randall Bailey becomes the IBF Welterweight world champion

  67. 20 Oct 2012

    Devon Alexander beats Randall Bailey via unanimous decision 12/12

    Welterweight (147 lb)

    Devon Alexander becomes the IBF Welterweight world champion

  68. 7 Dec 2013

    Shawn Porter beats Devon Alexander via unanimous decision 12/12

    Welterweight (147 lb)

    Shawn Porter becomes the IBF Welterweight world champion

  69. 19 Apr 2014

    Shawn Porter beats Paul Malignaggi via knockout 4/12

    Welterweight (147 lb)

  70. 16 Aug 2014

    Kell Brook beats Shawn Porter via majority decision 12/12

    Welterweight (147 lb)

    Kell Brook becomes the IBF Welterweight world champion

  71. 28 Mar 2015

    Kell Brook beats Ionut Dan Ion via corner retirement 4/12

    Welterweight (147 lb)

  72. 30 May 2015

    Kell Brook beats Frankie Gavin via knockout 6/12

    Welterweight (147 lb)

  73. 26 Mar 2016

    Kell Brook beats Kevin Bizier via knockout 2/12

    Welterweight (147 lb)

  74. 27 May 2017

    Errol Spence Jr beats Kell Brook via knockout 11/12

    Welterweight (147 lb)

    Errol Spence Jr becomes the IBF Welterweight world champion

  75. 20 Jan 2018

    Errol Spence Jr beats Lamont Peterson via corner retirement 7/12

    Welterweight (147 lb)

  76. 16 Jun 2018

    Errol Spence Jr beats Carlos Ocampo via knockout 1/12

    Welterweight (147 lb)

  77. 16 Mar 2019

    Errol Spence Jr beats Mikey Garcia via unanimous decision 12/12

    Welterweight (147 lb)

  78. 28 Sep 2019

    Errol Spence Jr beats Shawn Porter via split decision 12/12

    Welterweight (147 lb)

  79. 5 Dec 2020

    Errol Spence Jr beats Danny Garcia via unanimous decision 12/12

    Welterweight (147 lb)

  80. 16 Apr 2022

    Errol Spence Jr beats Yordenis Ugas via technical knockout 10/12

    Welterweight (147 lb)

  81. 29 Jul 2023

    Errol Spence Jr v Terence Crawford

    Welterweight (147 lb)

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