Ramos defeated Gracie by knockout, 2 minutes, 44 seconds into the first round of the bout between 175-pound fighters.

Ramos dropped Gracie with a left-right combination. The finishing blow was a right hook.

Ramos, who trains at the Eastsidaz Gym in Kane'ohe, improved to 2-0; Gracie, who is the son of Brazilian jiu-jitsu master Relson Gracie, dropped to 0-2.

In the semi-main event, Shane Nelson of Hilo defeated Harris Sarmiento from Kalihi by unanimous decision in a lightweight (155 pounds) bout.

Nelson, who trains at Nova Uniao on the Big Island, improved to 8-3. Sarmiento, who trains at the 808 Fight Factory in Waipahu, dropped to 21-17.

The 14-bout card featured some of Hawaii's top up-and-coming MMA competitors, hoping to get invited to larger shows on the mainland.

Preliminary bouts

170 pounds: Bryson Kamaka def. Israel Gomes by knockout (punches), 0:13 into first round.

170: Jeremiah O'Neal def. David Padilla by choke submission, 6:15 into first round.

170: Chris Henriques def. Kimo Wolfel by armbar submission, 2:16 into first round.

185: Billy Hall def. Fabio Prado by split decision.

185: Michael Brightmon def. Ron Verdadero by unanimous decision.

170: Pono Pananganan def. Ferrid Kheder by split decision.

205: David Chew def. Kevin Grace by choke submission, 5:55 into first round.

155: Kana Hyatt def. Duke Saragosa by knockout (punches), 1:43 into first round.

155: Vanoscar Penovaroff def. Gerald Arevalo by choke submission, 3:11 into first round.

205: Bryan Harper def. James Stamford by choke submission, 1:56 into first round.

155: Dean Lista def. Daniel Devers by choke submission, 7:49 into first round.