Jeison Manuel Rosario Bastardo (born 7 April 1995) is a former Dominican professional boxer who held the unified WBA (Super) and IBF light middleweight titles in 2020.
Professional career
Rosario vs. Williams
Rosario compiled a record of 19–1–1 before facing and defeating Julian Williams to win the WBA (Super), IBF, and IBO light middleweight titles.
Rosario vs. Charlo
In his next bout, Rosario faced Jermell Charlo for the WBC and vacant The Ring super welterweight championship. Rosario was knocked down by Charlo with a left jab in the eight round and was unable to get up, earning Charlo the KO victory.
Rosario vs. Lubin
In his next fight, Rosario faced Erickson Lubin, who was ranked #1 by the WBC and #6 by The Ring at super welterweight. Lubin won the fight by KO after dropping Rosario twice in the sixth round.