The newspaper is dated "Saturday, September 24th, 1964." September 24th, 1964 was a Thursday.
When Daniel visits to watch the game, Helen claims he came all the way to watch this game with John. In a previous scene, Helen is surprised that John came back earlier as he was supposed to be back on the following Monday. So there is no way that Daniel could have planned this visit as John was not expected to be in town on that day.
In this episode the town of Moraga is seen with no hills. The real town of Moraga is in a valley surrounded by hills.
Danny shows up for a previously-arranged game night, but John was supposed to be on a business trip at the same time.