Major League Soccer Commissioner Don Garber speaks during an event to announce the addition of FC Cincinnati as an MLS expansion team, Tuesday, May 29, 2018, at Rhinegeist Brewery in Cincinnati.Major League Soccer added Cincinnati in its latest round of expansion Tuesday, rewarding a city that has set attendance records during three seasons of United Soccer League play and has a stadium deal in place.    The announcement on Tuesday brings MLS to 26 teams, two shy of its ultimate goal. It began as a 10-team league in 1996.    Cincinnati will join next year, continuing to play at the University of Cincinnati's football stadium while a 21,000-seat soccer stadium is built in the city's low-income West End neighborhood. The stadium is expected to be ready for the 2021 season.