| Derrick Gainer | |
| Nickname: | Smoke |
| Weight: | Lightweight Super Featherweight Featherweight |
| Height: | 5 ft 9 in |
| Reach: | 72 in |
| Nationality: | American |
| Birth Name: | Derrick Emory Gainer |
| Birth Date: | 22 August 1972 |
| Birth Place: | Pensacola, Florida, U.S. |
| Style: | Southpaw |
| Boxrec: | 3459 |
| Total: | 51 |
| Wins: | 43 |
| Ko: | 25 |
| Losses: | 7 |
| Draws: | 1 |
Derrick "Smoke" Gainer (born August 22, 1972) is an American former professional boxer who competed from 1990 to 2012. He held the WBA featherweight title from 2000 to 2003.
Gainer is a colleague and friend of fellow Pensacola, Florida native Roy Jones Jr., and often fought on his under-cards.
In 2000, Gainer defeated Freddie Norwood to win the WBA featherweight title and after four defenses lost to Juan Manuel Márquez, who became super champion, via technical decision in 2003.[1] [2] [3]
Since his defeat to Marquez, Gainer lost in a challenge to WBA titleholder Chris John via unanimous decision.[4]
His last was a split decision win over Carlos Navarro on the undercard of the Roy Jones-Anthony Hanshaw bout at the Mississippi Coast Coliseum, in Biloxi, Mississippi.
|-|51|Win|43–7–1|align=left|
Antonio Santos||5 (10)|?|29 Sep 2012|align=left|
||-|50|Win|42–7–1|align=left| Angel Hernandez||6|N/a|28 Aug 2010|align=left| ||-|49|Win|41–7–1|align=left| Carlos Navarro|SD|10|N/a|14 Jul 2007|align=left| ||-|48|Win|40–7–1|align=left| Phillip Payne|SD|12|N/a|12 Aug 2006|align=left| |align=left||-|47|Loss|39–7–1|align=left|
Chris John||12|N/a|22 Apr 2005|align=left| |align=left||-|46|Loss|39–6–1|align=left|
Juan Manuel Márquez||7 (12)|2:37|1 Nov 2003|align=left| |align=left||-|45|Win|39–5–1|align=left|
Oscar León|SD|12|N/a|12 Apr 2003|align=left| |align=left||-|44|Draw|38–5–1|align=left| Daniel Seda||2 (12)|2:13|24 Aug 2002|align=left| |align=left||-|43|Win|38–5|align=left| Cedric Mingo|TKO|2 (10)|?|17 May 2001|align=left| ||-|42|Win|37–5|align=left| Victor Polo|UD|12|N/a|24 Feb 2001|align=left| |align=left||-|41|Win|36–5|align=left| Freddie Norwood||11 (12)|1:56|9 Sep 2000|align=left| |align=left||-|40|Win|35–5|align=left|
Richard Carrillo|KO|8 (12)|2:56|15 Jul 2000|align=left| ||-|39|Win|34–5|align=left| Sean Fletcher|UD|10|N/a|13 May 2000|align=left| ||-|38|Loss|33–5|align=left| Diego Corrales|TKO|3 (12)|1:50|18 Mar 2000|align=left| |align=left||-|37|Win|33–4|align=left|
Sergio Rafael Liendo|UD|10|N/a|19 Nov 1999|align=left| ||-|36|Win|32–4|align=left| Sergio Reyes|TKO|5 (10)|0:56|15 Oct 1999|align=left| ||-|35|Win|31–4|align=left| Jay Cantu|TKO|1 (10)|?|10 Sep 1999|align=left| ||-|34|Win|30–4|align=left| Javier Lucas|KO|2 (10)|?|20 Aug 1999|align=left| ||-|33|Win|29–4|align=left| Freddy Cruz|UD|10|N/a|30 Jul 1999|align=left| ||-|32|Win|28–4|align=left| Donovan Carey|TKO|6 (12)|2:51|5 Jun 1999|align=left| |align=left||-|31|Win|27–4|align=left| Harold Warren|UD|12|N/a|9 Jan 1999|align=left| |align=left||-|30|Win|26–4|align=left| Louie Leija|TKO|6 (10)|?|14 Nov 1998|align=left| ||-|29|Win|25–4|align=left| Bernard Harris|UD|10|N/a|18 Aug 1998|align=left| ||-|28|Win|24–4|align=left| Kevin Kelley|UD|10|N/a|18 Jul 1998|align=left| ||-|27|Win|23–4|align=left|
Orlando Soto|TKO|5 (10)|0:56|9 Jun 1998|align=left| ||-|26|Win|22–4|align=left| Wilson Santos|KO|3 (10)|1:02|25 Apr 1998|align=left| ||-|25|Win|21–4|align=left| Manuel Medina|KO|9 (12)|1:20|7 Aug 1997|align=left| |align=left||-|24|Win|20–4|align=left| Alric Johnson|TKO|12 (12)|?|21 Mar 1997|align=left| |align=left||-|23|Win|19–4|align=left| Shane Gannon|TKO|2 (10)|1:32|22 Nov 1996|align=left| ||-|22|Win|18–4|align=left| Patrick Simeon|TKO|2 (12)|?|4 Oct 1996|align=left| |align=left||-|21|Loss|17–4|align=left| Kevin Kelley|KO|8 (12)|2:16|15 Jun 1996|align=left| |align=left||-|20|Win|17–3|align=left| Javier Diaz|TKO|6 (10)|?|9 May 1996|align=left| ||-|19|Win|16–3|align=left| James Crayton|TKO|10 (10)|?|12 Jan 1996|align=left| ||-|18|Win|15–3|align=left| Roberto Villareal|KO|5 (12)|?|30 Sep 1995|align=left| |align=left||-|17|Win|14–3|align=left| Harold Warren|UD|12|N/a|24 Jun 1995|align=left| |align=left||-|16|Win|13–3|align=left| Feliciano Correa|TKO|2 (8)|?|18 Mar 1995|align=left| ||-|15|Loss|12–3|align=left| Robert Garcia|UD|10|N/a|18 Nov 1994|align=left| ||-|14|Loss|12–2|align=left| Greg Torres|UD|10|N/a|5 Oct 1994|align=left| ||-|13|Win|12–1|align=left| Darren McGrew|UD|6|N/a|20 Sep 1994|align=left| ||-|12|Win|11–1|align=left| Marcelo Rodriguez|UD|8|N/a|27 May 1994|align=left| ||-|11|Win|10–1|align=left| Roy Simpson|TKO|1 (10)|2:31|22 Mar 1994|align=left| ||-|10|Win|9–1|align=left| Julian Flores|UD|12|N/a|30 Nov 1993|align=left| |align=left||-|9|Win|8–1|align=left| Runnell Doll|SD|6|N/a|10 Jan 1993|align=left| ||-|8|Win|7–1|align=left| Carlos Vergara|KO|1 (6)|?|30 Jun 1992|align=left| ||-|7|Win|6–1|align=left| Rudy Bradley|TKO|3 (4)|?|2 Apr 1992|align=left| ||-|6|Win|5–1|align=left| Willie Richardson|UD|6|N/a|17 Dec 1991|align=left| ||-|5|Win|4–1|align=left| Outhei Soundara|TKO|4 (?)|?|31 Aug 1991|align=left| ||-|4|Win|3–1|align=left| Donald Gomez|TKO|1 (4)|?|3 Aug 1991|align=left| ||-|3|Loss|2–1|align=left| Scott Phillips|SD|6|N/a|8 Nov 1990|align=left| ||-|2|Win|2–0|align=left| Albert Lara|SD|4|N/a|25 Sep 1990|align=left| ||-|1|Win|1–0|align=left| Andrez Francisco Pascual|TKO|1 (4)|2:08|14 Jul 1990|align=left| |align=left||}