Pictured: TTR's #1 ranked welterweight contender for the vacant Lineal World Welterweight Championship Keith Thurman, the reigning WBA Super and WBC World Welterweight Champion


While the division's lineal title remained vacant the entire year, the WBA Super and WBC World titles were unified and the IBF, WBO and WBA "regular" World titles changed with the latter being vacated before the year was over.

1. Keith Thurman (28-0, 1 ND, 22 KOs)
-3/4- Danny Garcia.....W SD 12
(retained WBA Super World Welterweight Title; won WBC World Welterweight Title)

2. Errol Spence, Jr. (P4P #10; 22-0, 19 KOs)
-5/27- Kell Brook.....W KO-11
(won IBF World Welterweight Title)

3. Kell Brook (36-2, 25 KOs)
- 5/27- Errol Spence, Jr......L KO-11
(lost IBF World Welterweight Title)

4. Shawn Porter (28-2-1, 17 KOs)
- 4/22- Andre Berto.....W TKO-9
- 11/4- Adrian Granados.....W UD 12

5. Danny Garcia (33-1, 19 KOs)
- 3/4- Keith Thurman.....L SD 12
(lost WBC World Welterweight Title; for WBA Super World Welterweight Title)

6. Jeff Horn (18-0-1, 12 KOs)
- 7/2- Manny Pacquiao.....W UD 12
(won WBO World Welterweight Title)
- 12/13- Gary Corcoran.....W TKO-11
(retained WBO World Welterweight Title)

7. Manny Pacquiao (59-7-2, 38 KOs)
- 7/2-Jeff Horn.....L UD 12
(lost WBO World Welterweight Title)

8. Jessie Vargas (28-2, 10 KOs)
- 12/15- Aaaon Herrera.....W UD 10

9. Qudratillo Abduqaxorov (13-0, 9 KOs)
- 1/7- Romeo Jakosalem.....W TKO-5
- 2/10- Idd Pialari.....W TKO-3
- 3/25- Charles Manyuchi.....W TKO-1
- 7/9- Dmitry Mikhaylenko.....W UD 12
- 11/18- Sherzodbek Alimjanov.....W TKO-3

10. Lucas Matthysse (38-4, 1 NC, 35 KOs)
- 5/6- Emmanuel Taylor.....W TKO-5

11. Yordenis Ugas (20-3, 9 KOs)
- 2/2- Levan Ghvamichava.....W SD 10
- 4/25- Nelson Lara.....W TKO-2
- 8/26- Thomas Dulorme.....W UD 10

12. Lamont Peterson (35-3-1, 17 KOs)
- 2/18- David Avanesyan.....W UD 12
(won WBA World Welterweight Title)
- 10/4- vacated WBA World Welterweight Title

13. Omar Figueroa, Jr. (27-0-1, 19 KOs)
- 7/15- Robert Guerrero.....W TKO-3

14. Konstantin Ponomarev (32-0, 13 KOs)
- 5/20- Ed Paredes.....W UD 8