While some games went according to expectations, others veered toward to the dramatic. Perhaps the most shocking was the capitulation of the Indianapolis Colts, who fell to last-place Jacksonville. It wasn't a fluke, either — the Jaguars dominated throughout the game en route to a 26-11 victory and knocked the Colts out of playoff contention.
Meanwhile, the San Francisco 49ers left it until overtime against the NFC West champion LA Rams to book their spot in the postseason, as a stunning interception sealed the win.
Those were just two of the many highlights across the day's action as the playoff picture came into focus.
Here's the postseason seedings after the end of Sunday's action.
Click here to read about a tense Chargers vs. Raiders game, and read on below to re-live the biggest plays and highlights from Sunday's earlier contests.