It’s officially spooky season.

If there was any doubt, several teams and players delivered frights on Sunday, and these are the ones that left the biggest mark.

Here are the five worst performances of Week 5.

Arizona Cardinals

How do Cardinals fans put up with this?

Arizona suffered the most dumbfounding loss of the season, falling 22-21 at home to the previously winless Tennessee Titans (1-4). The Cardinals led by as many as 18 and blew a 21-6 fourth-quarter lead thanks to a comedy of errors.

Running back Emari Demercado became the latest player to foolishly drop the football before the goal line on a long run, resulting in a touchback instead of a touchdown that would have given Arizona a 27-6 lead pending the extra point.

IT HAPPENED AGAIN

Cardinals have a 72-yd TD taken off the

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