Three headlining Latin music superstars are coming to the AT&T Center this fall as part of a single package tour. Singer-songwriter Enrique Iglesias, salsa icon Ricky Martin and rapper Pitbull will perform Sunday, Nov. 19, in San Antonio as part of the trio’s 19-city North American jaunt, dubbed The Trilogy Tour. Due to the expected high demand, promotion company Live Nation is asking fans to register for a Verified Fan presale account from Wednesday through 10:59 p.m.  Sunday, June 4, for a chance to land a ticket.