Seeing what Khamzat Chimaev did to Kevin Holland at UFC 279, Dana White realizes that the Nate Diaz fight may have only gone worse. Chimaev (12-0 MMA, 6-0 UFC) was initially scheduled to face Diaz (21-13 MMA, 16-11 UFC) in the main event of Sept. 10 pay-per-view card in Las Vegas, but after coming in 7.5 pounds over the welterweight limit, the card was shuffled and Chimaev drew Holland instead in a 180-pound catchweight bout. It took Chimaev less than half a round to drag Holland (23-8 MMA, 10-5 UFC) down to the mat and choke him out, which left…