Bill Simmons doesn't seem so sure about Kansas City Chiefs quarterback Patrick Mahomes' future as the NFL's best QB.

The Kansas City Chiefs dropped their preseason opener at home to the Arizona Cardinals. Patrick Mahomes wasn't a reason for the loss.

Brownlee made a heck of a touchdown catch, the highlight of the Chiefs’ 20-17 loss to the Cardinals in the preseason opener here in Arizona — and, ahem, most certainly the highlight of the 48 seconds Patrick Mahomes spent on the field. But there’s something far more telling about that play. The throw. Or, rather, the decision to throw it at all.