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.
Bantamweight Title [61kg/135lb] (as of 2023-03-17)
Magomed Magomedov
2016-03-26
Moscow, RUS
Defeats Petr Yan to become the first champion.
Petr Yan
2017-04-15
Moscow, RUS
Vacates on 18-01-29 upon signing with UFC.
Rustam Kerimov
2018-03-24
Baku, AZE
Defeats Oleg Borisov; ACB merges the World Fighting Championship Akhmat and becomes Absolute Championship Akhmat on 18-11-28; Kerimov defeats WFCA champion Abdul-Rakhman Dudaev in a unification match on 19-03-16 in St. Petersburg, RUS; vacates in 19-12 upon becoming a free agent.
