Following the name of the champion(s): Indicates the number of times the competitor has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
<
Title was held or changed hands no later than this. In these cases, it is known that a competitor held the title at a certain time but not when he/she won it.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the competitor shown should be recognized as a true title holder. These listings are also italicized.
Vacates on 17-09-23 to avoid a purse bid with mandatory Dmitry Bivol.
Dmitry Bivol
2017-09-23
Interim champion since defeating Felix Valera on 16-05-21 in Moscow, RUS; status promoted on 17-09-23; promoted to Super champion on 19-10-10.
Jean Pascal
2019-10-10
Interim champion since defeating Marcus Browne on 18-08-03 in Brooklyn, NY, USA; status promoted on 19-10-10; stripped of the title on 21-07-08 after being tested positive for banned substances and suspended for six months (WBA official site).
