I am interested in the ufc sport and was wondering what would be a good base fighting style to learn.?

I am 14 yrs old and am pretty obsessed with ufc. I try to follow the likes of forrest griffin, chuck liddel. I am strong for my age, i workout at gym 3-4 times a week. i am fit i have good stand-up but am better on ground. i am a better kicker than puncher and have good speed i weigh 64kg and am 176cm tall. i play rugby and do athletics.