You might not want to look at the Giants, A’s, Niners, or Raiders. But you do want to look at the Warriors. If in May you had asked a Bay Area sports fan to look towards the September calendar, they probably would have circled Sunday, September 26. The San Francisco 49ers were set for what looked like a riveting primetime game, with a Sunday Night Football showdown against the Denver Broncos. That game would start shortly after the conclusion of the San Francisco Giants game, and the Giants were 19-12 when the NFL’s schedule had been released on May 12.…