By Justin Barrasso If successful in Saturday’s title defense at UFC 276, Volkanovski will seek double-champ status. View the original article to see embedded media. Welcome to The Weekly Takedown, Sports Illustrated’s in-depth look at MMA. Every week, this column offers insight and information on the most noteworthy stories in the fight world. Alexander Volkanovski’s reign as featherweight champion was destined to end last September. Three rounds into his UFC 266 title defense against Brian Ortega, Volkanovski found himself in a disastrous position. Ortega locked in his guillotine. Volkanovski…