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Boxing fans witnessed an exciting and interesting weekend, highlighted by Vasyl Lomachenko’s WBO featherweight-winning title victory over Gary Russell Jr., resulting in movement in THE RING’s divisional ratings.

Cruiserweight: Mateusz Masternak (32-2, 23 knockouts) lost a split decision to previously unrated Kayembre Kalenga (15-0, 14 KOs). Masternak was previously rated No. 9. He will be removed. Thabiso Mchunu (16-1, 11 KOs) will move up from No. 10 to No. 9 allowing for Kalenga to debut at No. 10.

Light heavyweight: No. 5-rated Chad Dawson returned and demolished unranked George Baldes by first-round KO. Dawson came in heavy for the fight but confirmed afterward that he’s still competing at 175 pounds. No changes.

Middleweight: No. 9-rated Martin Murray (28-1, 12 KOs) won a unanimous 12-round decision over unranked Max Bursak. No changes.

Welterweight: Devon Alexander (26-2, 14 KOs) returned to action outpointing Jesus Soto Karass. On the basis of this fight and his head-to head action with Shawn Porter, Alexander will replace Paulie Malignaggi (33-6, 7 KOs) and enter the ratings at No. 10. No. 8-rated Robert Guerrero (32-2-1, 18 KOs) outpointed unranked but tough Yoshihiro Kamegai in a bout with several brutal rounds. No changes.

Featherweight: With a resume just short of 400 amateur fights and only three pro fights, Vasyl Lomachenko (2-1, 1 KO) outpointed Gary Russell Jr. for a majority decision win. Lomachenko will move up in the ratings from No. 10 to No. 6. The rest of the 126-pound rankings is as follows:

No. 7: Simpiwe Vetyeka (26-3, 16 KOs)

No. 8: Billy Dib (36-3, 21 KOs)

No. 9 Ronny Rios (23-0, 10 KOs)

No 10: Lee Selby (19-1,7 KOs)

Junior featherweight: No. 6-rated Cristian Mijares (50-8-2, 25 KOs) got back in the win column with a seventh-round stoppage over unrated Sebastian Daniel Rodriguez. No changes.

Strawweight: No. 1-rated Hekkie Budler (26-1, 9 KOs) scored an impressive eight-round knockout over unrated Pigmy Kokietgym. No changes.