What We Learned From Week 13 in the N.F.L.

Kyler Murray dazzles in his own unpredictable way.

Sure, there are other N.F.L. quarterbacks who thrill. Lamar Jackson’s runs tempt defenses to forget the threat of his arm. Patrick Mahomes fuses multiple sports in his interpretation of the position. Josh Allen and Justin Herbert’s accuracy on shockingly long throws invigorate.

But no one zigs and zags and zigs again with such mesmerizing abandon as Murray, the Arizona Cardinals’ quarterback. His mostly flawless performance on Sunday in a 33-22 win against the Chicago Bears, in which he had two passing touchdowns and two running touchdowns, provided Week 13’s clearest takeaway:

The Cardinals’ conservative approach to Kyler Murray’s return will…