David Benavidez thinks he silenced a lot of critics with his stoppage win over Demetrius Andrade. Andrade couldn’t get off the stool after the sixth round as Benavidez had done a ton of damage to him at that point. Benavidez dropped Andrade in the fourth round and it was domination from there on in, which the undefeated fighter says wasn’t a surprise to him. “I’m not surprised,” Benavidez said during his post-fight press conference (h/t BoxingScene). “I know how hard I worked in this camp. And like I’ve been telling everybody for a long time, that the fights are won…