The Transnational Boxing Rankings Board's latest rankings- those based on fights held through May 12, 2018- were posted on the TBRB's website May 15, 2018. There were changes to the Pound-For-Pound Top Ten and for the Top Tens for the cruiserweight, junior middleweight, and lightweight divisions.

POUND-FOR-POUND:

1 (2) Vasyl Lomachenko
2 (1) Terence Crawford
3 (3) Srisaket Sor Rungvisai
4 (4) Gennady Golovkin
5 (5) Mikey Garcia
6 (6) Naoya Inoue
7 (7) Leo Santa Cruz
8 (8) Oleksandr Usyk
9 (9) Anthony Joshua
10 (10) Errol Spence, Jr.

Out from rankings posted May 8, 2018:
No one

CRUISERWEIGHT:

Champion: OPEN

1 (1) Oleksandr Usyk
2 (2) Murat Gassiev
3 (5) Krzysztof Glowacki
4 (3) Denis Lebedev
5 (4) Mairis Briedis
6 (6) Yunier Dorticos
7 (7) Maksim Vlasov
8 (8) Andrew Tabiti
9 (9) Constantin Bejenaru
10 (10) Mateusz Masternak

Out from rankings posted May 8, 2018:
No one

JUNIOR MIDDLEWEIGHT:

Champion: OPEN

1 (1) Jarrett Hurd
2 (2) Jermell Charlo
3 (3) Erislandy Lara
4 (4) Demetrius Andrade (is also ranked #9 at 160)
5 (-) Jaime Munguia
6 (5) Brian Castano
7 (6) Julian Williams
8 (7) Maciej Sulecki
9 (8) Michel Soro
10 (10) Liam Smith

Out from rankings posted May 8, 2018:
#9- Sadam Ali

Editor's Note:
- #4 ranked Demetrius Andrade vacated the WBA World super welterweight title to campaign as a middleweight.

LIGHTWEIGHT:

Champion: OPEN

1 (-) Vasyl Lomachenko (is also ranked #1 at 130)
2 (1) Mikey Garcia (is also Champion at 140)
3 (2) Jorge Linares
4 (3) Raymundo Beltran
5 (4) Robert Easter, Jr.
6 (5) Richard Commey
7 (6) Anthony Crolla
8 (7) Dejan Zlaticanin
9 (8) Luke Campbell
10 (9) Yvan Mendy

Out from rankings posted May 8, 2018:
#10- Paulus Moses

TTR's listings of the Transnationals' rankings have been updated and can be perused in their entirety by clicking on the FORUM option on the left and then by scrolling down to the BOXING ORGANIZATIONS RANKINGS option and clicking on it.