Several notable MLB matchups are occurring on Wednesday, Sept. 11, with key games involving teams battling for playoff positions. The Atlanta Braves will face the Washington Nationals, while the Pittsburgh Pirates take on the Miami Marlins. Francisco Lindor's New York Mets will play against Vladimir Guerrero Jr.'s Toronto Blue Jays, and the San Diego Padres, led by returning pitcher Yu Darvish, will meet the Seattle Mariners. Additionally, the New York Yankees are set to play the Kansas City Royals as they fight for playoff spots. A significant upcoming game between the New York Mets and Philadelphia Phillies has been moved to a primetime slot on Sunday Night Baseball due to its potential playoff implications.