List of WBO world champions
Junior middleweight

List of WBO world champions

Section Title: Junior middleweight
Table Section Text: None

Name:	Date:	Location:	Defenses:

United States John David Jackson def. Lupe Aquino	December 8, 1988	Detroit, Michigan, United States	6

Title vacated	1993	Jackson vacated the title to move up to Middleweight. His last defense was against Michele Mastrodonato on December 19, 1992 in San Severo, Italy.

United States Verno Phillips def. Lupe Aquino	October 30, 1993	Phoenix, Arizona, United States	4

United Kingdom Paul Jones	November 22, 1995	Sheffield, England	0

Title vacated	February 1996	Jones was stripped of the title.

United States Bronco McKart def. Santos Cardona	March 1, 1996	Indio, California, United States	0

United States Ronald "Winky" Wright	May 17, 1996	Monroe, Michigan, United States	3

Namibia Harry Simon	August 22, 1998	Temba, South Africa	4

Title vacated	July 2001	Simon vacated the title to move up to Middleweight. His last defense was against Wayne Alexander on February 10, 2001 in Widnes, England, United Kingdom.

Puerto Rico Daniel Santos def. Luis "Yori Boy" Campas	March 16, 2002	Las Vegas, Nevada, United States	4

Ukraine Sergiy Dzindziruk	December 3, 2005	Magdeburg, Germany	6

Title vacated	October 5, 2011	Dzindziruk was stripped of the title due to inactivity caused by injuries. As a result, Zaurbek Baysangurov was promoted from interim champion.

Russia Zaurbek Baysangurov interim champ promoted	October 5, 2011	NA	2

Title stripped	June 2013	Stripped due to inactivity. His last defense was against Lukas Konecny on October 6, 2012 in Kiev, Ukraine

United States Demetrius Andrade def. Vanes Martirosyan	November 9, 2013	Corpus Christi, Texas	1

Title stripped	July 31, 2015	Andrade was stripped of the title due to inactivity.

United Kingdom Liam Smith def. John Thompson	October 10, 2015	Manchester, England	2

Mexico Canelo Álvarez	September 17, 2016	Arlington, Texas	0

Title vacated	May 19, 2017	Álvarez vacated the title to move up to middleweight

Puerto Rico Miguel Cotto def. Yoshihiro Kamegai	August 26, 2017	Carson, California	0

United States Sadam Ali	December 2, 2017	New York City, New York, United States	0

Mexico Jaime Munguia	May 12, 2018	Verona, New York, United States	4

Sentence(s)

In 2015, Smith fought with John Thompson for the WBO middleweight left by Demetrius Andrade.

final_sentence: In 2015, Smith fought with John Thompson for the WBO middleweight left by Demetrius Andrade.