In a season where the A's are celebrating 125 years as a franchise, Tuesday night takes them back to where it all began , facing a city, and a rival, they've known since day one. After three series wins in a row against Seattle, Texas, and Kansas City, the Athletics (18-16) dropped their latest series at home against the Cleveland Guardians . The A's are still up two games in the AL West on the Texas Rangers, who will head to New York to face the red-hot Yankees. Even though the season is young, the Philadelphia Phillies early struggles led to them firing their manager, Rob Thomson after a 9-19 start. Since then, they have gone 6-1 under Don Mattingly, so the A's could be catching them at the wrong time. The Phillies' record sits at 15-20 heading into the A's series. They have won 7 of their last 10 games, including their series finale in Miami, 1-0. The top of the Phillies lineup has also been relatively cold, so the A's hot bats will have to stay hot on the road.…