Major League Baseball's 2015 season is scheduled to start with a Sunday night game on April 5 and the other 28 teams will be slated to open the following day. The regular season is to end Oct. 4, which means the World Series would be scheduled to start Oct. 28 if the current postseason format is maintained. Opening series have Boston at Philadelphia, St. Louis at the Chicago Cubs, San Francisco at Arizona, Pittsburgh at Cincinnati, Minnesota at Detroit, Cleveland at Houston, the Chicago White Sox at Kansas City, San Diego at the Los Angeles Dodgers, Atlanta at Miami, Colorado at Milwaukee, Toronto at the New York Yankees, Texas at Oakland, the Los Angeles Angels at Seattle, Baltimore at Tampa Bay and the New York Mets at Washington.