David Jimenez earned a unanimous decision victory over John Ramirez on the undercard of the Devin Haney-Ryan Garcia headliner Saturday at Barclays Center in Brooklyn, New York.

Jimenez (14-0, 9 KOs) consistently outworked his super flyweight rival to deservedly earn scores of 117-111, 117-111 and 116-112, imposing himself on the inside, repeatedly targeting Ramirez’s body and undermining Ramirez’s attempts to fight at range and prioritize his jab. 

The eighth round was particularly damaging for Ramirez (15-2, 11 KOs), because of the consistent punishment he was forced to absorb, and to the extent he was forced to attempt to hold.

Charles Conwell had by then stopped Nathaniel Gallimore inside six rounds at light middleweight.

Referee Arthur Mercante Jr. had already spent much of the fifth round watching Gallimore closely as he struggled to defend himself, and with Conwell encountering little resistance as he again let his hands go, Mercante intervened after 52 seconds of the sixth.

Conwell (19-0, 14 KOs) had posed a threat from the first round, and in the third consistently landed with left hooks and right uppercuts that put Gallimore (22-8-1, 17 KOs) under sufficient pressure to already put him on course to be stopped.

Sergiy Derevyanchenko (15-5, 10 KOs) earlier earned a unanimous decision, via three scores of 100-89, at super middleweight against Vaughn Alexander (18-11-1, 11 KOs) – the younger brother of Devon Alexander.

There was also a stoppage victory for Amari Jones, the middleweight stablemate of Devin Haney, in the sixth round of his middleweight contest with Armel Mbumba-Yassa. Jones (12-0, 11 KOs), who is trained by Bill Haney, knocked down Mbumba-Yassa (10-2, 7 KOs) towards the start of the sixth, and Mercante intervened to rescue him after 39 seconds, shortly after he had returned to his feet – in turn giving Jones an 11th knockout in 12 fights.