According to PaddyPower Khan is 1/25 to win and Gomez 8/1......Which is better than the last opponent lol.
For a Gomez t/ko at any time the odds arn't up yet, but I reckon you'd get 25/1 on him to t/ko Khan at any point! Betting on a round your looking at 100/1. Might be worth a sneaky pun ;)