From Twilight Teams:
"Philadelphia Presbyterian pastor Samuel A. Jeanes was quoted in the August sixteenth edition of the New York Times:Looks like the minister is implying a curse. And the 20-years of subsequent baseball shows that they never finished higher than 4th place. But the advocates of Sunday baseball argue that the lack of Sunday baseball was such a financial burden on the A's that they couldnt afford to keep good players. Don't know about that. They had 20 years to correct the situation. Thoughts?
Your Philadelphia baseball organization is looking for somebody to buy them out of their difficult
financial problems because of their declining attendance. It wasn’t so many years ago that this
organization played no small part in breaking down the sanctity of the Lord’s day by having this city of Philadelphia legalize Sunday baseball.
In 1926 the Athletics did challenge the Philadelphia blue laws, obtaining a court injunction. The court allowed them to play a game on Sunday, August twenty-second, 1926, but the game was never played. The Pennsylvania Supreme Court eventually upheld the ban on Sunday games. However, when Mack made tentative plans to move the team to nearby Camden, New Jersey, the State Legislative interceded, allowing Sunday games with the approval of municipal officials. "