NFL Playoffs: What We Learned From the Divisional Round

Home teams won the first three games of the N.F.L.’s divisional round, but there was plenty of fretting along the way. The Buffalo Bills rode their defense to a win, the Green Bay Packers relied on their offense and the heavily favored Kansas City Chiefs, who lost quarterback Patrick Mahomes to a concussion, mostly survived.

Here’s what we learned:

The Winners Bracket