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Middleweight puncher David Lemieux advanced the farthest among RING-rated fighters following a busy two weeks of boxing thanks to his thrilling IBF title-winning effort against ultra-gutsy Hassan N’Dam.

Heavyweight: No. 2-rated Deontay Wilder (34-0, 33 KOs) labored to a ninth-round stoppage over undeserving unrated Eric Molina. No movement.

Light heavyweight: No. 5-rated Eleider Alvarez (17-0, 10 KOs) took unrated Anatoliy Dudchenko out in two rounds. Nice win but just keeps Alvarez active. No. 7-rated Artur Beterbiev (9-0, KOs) stopped unrated Alexander Johnson. No movement.

Middleweight: Excellent fight between Lemieux (34-2, 31 knockouts) and N’Dam (31-2, 18 KOs). Lemieux dropped the tough N’Dam four times but N’dam is as courageous as they come. Lemieux will move up from No. 10 to No. 4. N’Dam will drop from No. 4 to No. 8.

Junior middleweight: No. 2-rated Erislandy Lara (21-2-2, 12 KOs) won an easy decision over unrated Delvin Rodriguez. No movement.

Welterweight: No. 6-rated Shawn Porter (26-1-1, 16 KOs) showed he wasn’t bothered by the 144-pound catchweight or Adrien Broner (30-2, 22 KOs) winning a solid decision despite suffering a 12^th-round knockdown. No movement.

Junior welterweight: With Broner losing at 144 pounds, he will switch places with the far more solid Terence Crawford (26-0, 18 KOs). Crawford moves up to No. 4 and Broner drops to No. 5.

Lightweight: No. 7-rated Dierry Jean (29-1, 20 KOs) retained his NABF title outpointing the always durable but unranked Jerry Belmontes. Dejan Zlaticanin stopped unbeaten but unrated Ivan Redkach in the fourth round. Zlaticanin will move up from No. 9 to No. 6 with current rated Nos. 6, 7 and 8 dropping one spot each.

Junior lightweight: Jose Pedraza (20-0, 12 KOs) won a landslide points decision over unrated Andrey Klimov to win the vacant IBF title. Rikki Naito (13-0, 5 KOs) beat unrated Nihito Arakawa on points in a fight above the weight limit. Pedraza will move up from No. 8 to No. 6 with current rated Nos. 6 and 7 dropping one spot each.

Featherweight: No. 1-rated Nicholas Walters (19-4-2, 11 KOs) won a wide decision over unrated Miguel Marriaga despite failing to make 126.

Junior featherweight: Shingo Wake (19-4-2, 11 KOs) won an IBF title eliminator outpointing unrated Mike Tawatchai. The British Boxing Board of Control issued Kid Galahad a two-year suspension for taking an illegal substance. He will be dropped from the ratings. Nos. 7, 8, 9 and 10 will move up one spot each and Jessie Magdaleno (21-0, 15 KOs) will enter at No. 10.

Bantamweight: Lee Haskins (32-3, 14 KOs) impressively stopped Ryosuke Iwasa, (19-2, 12 KOs). Iwasa will be dropped from the ratings and will be replaced by Haskins at No. 10.

Ratings chairperson Chuck Giampa can be reached at [email protected]