UFC newcomer and undefeated fighter Daniel Roberts will be stepping in for Anthony "Rumble" Johnson against John "Doomsday" Howard at "UFC LIVE: Vera vs. Jones." While Johnson was originally scheduled to face Howard on the main card of the event, a knee injury has forced the fighter to withdraw. The event will take place on Sunday, March 21, at 9 p.m. ET from the 1stBank Center in Broomfield, Colorado and will be broadcast on the Versus network.