RUNS PERFECT WEEK BEFORE 1ST STRIKE THEN GARBAGE YET AGAIN ?

I Have persisted with this game with the hope of eventualy getting a patch that will finally fix the game,so we get patch No 6 i think and the game is running perfect.Then first strike comes out and then the game runs like garbage jerking,and lag everywhere,i feel like ive been robbed FIX YOUR GAME 3ARC!!!!!!!!!