CORONA, Calif. – Yonnhy Perez fights better than he spells. The talented, undefeated bantamweight with the unusually spelled first name – it is pronounced “Johnny” – improved to 14-0 with 11 knockouts with a dominant, impressive fourth-round stoppage over comebacking Alexander Fedorov (18-4-1, 10 KOs) Friday on “ShoBox: The New Generation.’’ [details]