EXCLUSIVE: 16-time World Champion … EXCLUSIVE: 16-time World Champion @JohnCena and towering @celtics center @tackofall99 embrace backstage at Friday Night #SmackDown in Boston. EXCLUSIVE: 16-time World Champion @JohnCena and towering @celtics center @tackofall99 embrace backstage at Friday Night #SmackDown in Boston. pic.twitter.com/hO8sAu8CbS — WWE (@WWE) February 29, 2020