I'm about 9 weeks out, I was wondering if anyone could give me some tips on how to get a little bigger. I'm 170lbs and I'd like to be around 190lbs, can that be done in the alotted time? 
-Travis.

-Travis.
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Bulk in the off season, you'd do better practicing technique, and maintaining your general fitness level right now.
Very good points all around, thanks.
fufu: I do both MMA and BJJ, but this tournament is strictly MMA, most of these guys who I fight are 2nd-3rd degree blackbelts in TKD so it's more about endurance for this one. The BJJ however I feel I'd do better with a few extra pounds on my frame because like CORUM said these guys cut 15+lbs just to make a lower weight class.
I'll work on technique then, and this summer is when I'll do my bulk since I don't compete much over the summer break. Thanks all around.
20 lbs in 9 weeks is unrealistic. Your body won't be able to accommodate to the weight well enough if you want to compete. My advice is to get as strong and well conditioned at your current weight. IMO, the best you could do is to become very efficient with the way your body currently is. A very slow bulk over the next 9 weeks isn't a bad idea, but I wouldn't put on too much weight.
Technique technique technique and conditioning, if the other guy gets tired before you, you are set to win. Strength is useless if you can't maintain it.
best advice there. i use to do BJJ competitions, and help start a MMA team when I was in the military. you really do not want to "bulk" strength training yes. you want to learn how to cut weight properly. once you get into competions the higher up you go in weight your still going to be facing guys WAY bigger than you, because they cut down to the weight your trying to come in at. so a lot of them cut about 15 pounds in water weight and not eating the night before and then eat and hydrate and put it all back on. so don't worry about moving up in weight, strength train and technique!!!!! 9 weeks out you should just be fine tuning your technique with some SERIOUS "rolling"
good luck!