The UFC 322 co-main event features a blockbuster women’s flyweight bout between champion  Valentina Shevchenko and former strawweight titleholder  Zhang Weili .  Weili relinquished her 115-pound championship to move up to the flyweight divisions and challenge “Bullet” in a quest to become a two-division titleholder.  UFC 322 Countdown: Shevchenko vs. Weili