For 30 teams, the offseason has started. For many of those teams, the offseason started weeks ago.
Every team should be looking for clues on how to build Super Bowl teams like the Kansas City Chiefs and San Francisco 49ers. Every postseason we get some lessons on where the league is heading and other trends we'll see repeat themselves. This postseason brought plenty of lessons, some learned the hard way from teams sitting at home.
Here are the top 10 lessons we can take from the first three rounds of the postseason: