[PAR] [TLE] Sergio Martínez (boxer) [SEP] Sergio Gabriel Martínez (born February 21, 1975) is an Argentine former professional boxer who competed from 1997 to 2014.  He held the unified WBC, WBO, "Ring" magazine, and lineal middleweight titles between 2010 and 2014, making six successful defenses of the latter two titles.  Martínez's 50-month reign as lineal champion ranks as one of the longest in middleweight history.  He also fought at light middleweight, where he held the IBO title from 2003 to 2005, and the WBC interim title in 2008 (later elevated to full world champion status the following year). [PAR] [TLE] Kelly Pavlik [SEP] Kelly Robert Pavlik (born April 5, 1982) is an American former professional boxer who competed from 2000 to 2012.  He won the unified WBC, WBO, "Ring" magazine and lineal middleweight titles by defeating Jermain Taylor in 2007, and made three successful defenses before losing them to Sergio Martínez in 2010.
[PAR] [TLE] Sergio Martínez ( boxer ) [ SEP ] Sergio Gabriel Martínez ( born February 21 , 1975 ) is an Argentine former professional boxer who competed from 1997 to 2014 . He held the unified WBC , WBO , " Ring " magazine , and lineal middleweight titles between 2010 and 2014 , making six successful defenses of the latter two titles . Martínez 's 50-month reign as lineal champion ranks as one of the longest in middleweight history . He also fought at light middleweight , where he held the IBO title from 2003 to 2005 , and the WBC interim title in 2008 ( later elevated to full world champion status the following year ) . [PAR] [TLE] Kelly Pavlik [ SEP ] Kelly Robert Pavlik ( born April 5 , 1982 ) is an American former professional boxer who competed from 2000 to 2012 . He won the unified WBC , WBO , " Ring " magazine and lineal middleweight titles by defeating Jermain Taylor in 2007 , and made three successful defenses before losing them to Sergio Martínez in 2010 .
Kelly Robert Pavlik (born April 5, 1982) is an American former professional boxer who competed from 2000 to 2012, he made three successful title defenses before losing them to which Argentine former professional boxer, who competed from 1997 to 2014?
Kelly Robert Pavlik ( born April 5 , 1982 ) is an American former professional boxer who competed from 2000 to 2012 , he made three successful title defenses before losing them to which Argentine former professional boxer , who competed from 1997 to 2014 ?
Sergio Gabriel Martínez
Sergio Gabriel Martínez