The 49ers managed to snatch defeat from the jaws of victory on Sunday.
San Francisco entered the locker room at halftime with 23 points and a 13-point lead. At the end of the game, the 49ers walked into their locker room with 23 points as the losing side. A couple of weeks ago, it was the Los Angeles Rams, and on Sunday, the Arizona Cardinals took advantage of a San Francisco collapse.
There wasn’t one big reason the 49ers fell apart in the second half, but many factors played into it.