By Justin Barrasso A life-threatening habit nearly prevented Ward from fulfilling his responsibilities as a father and potential as a mixed martial artist. View the original article to see embedded media. Brennan Ward is locked in the fight of his life. Ferocious, unrelenting and always lurking, Ward’s opponent is addiction. “Oxy[codone], fentanyl,” says Ward. “When you’re in its grip, you’ll do anything to get high. When you’re in the throes of addiction, all f—— bets are off.” For the first time since August 2017, Ward returns to the cage this Saturday. He fights on the Bellator 274 prel…