Hey guys i want to learn to fight.?

I am 15 and about 6 foot 220 and i want to learn to fight and i dont me rolling around on the ground ect. i want knees punches kickes some submission stuff like that. like thing that happen in a real fight what should i take. bjj, kick boxing, mma, jujitsu, or anything els yo know of. please tell me what its like and what you do in it. and one moe time i dont want some gay open fist fighting or judo chops or anything like that. thx