Now it gets serious.

Win or go home, starting with NFL wild-card weekend, the first of fans’ favorite two weekends: back-to-back Saturdays and Sundays with two games each day, all with the pressure of the playoffs.

But also consider this is supposed to be fun, too.

With that in mind, Opta’s crack data editorial crew put together this package for wild-card weekend: Four games, 40 fun facts. (And if you like what you see here, give ’em a follow on Twitter.)

Saturday’s NFL wild-card games

Titans at Chiefs

4:20 p.m. ET (ESPN)

— Tennessee has won four of its last six against Kansas City dating to 2007. The Titans are 4-1 all-time in Kansas City. This marks the first time the teams have met in the playoffs.

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— Kansas City has won its last three home games while committing only one turnover. Over that same span, the Chiefs have nine takeaways.

— The Titans have lost three of their last four road playoff games, allowing 17 or more points in all four. Tennessee was 3-5 on the road this season, although it allowed 20-plus points only three times in those games.

— Kansas City has lost 10 of its last 11 playoff games, including its last five at Arrowhead Stadium. The Chiefs last home playoff victory was a 27-24 win over the Steelers Jan. 8, 1994.

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— The Titans have lost their last three playoff games. They haven’t lost four in a row in franchise history, including their time as the Oilers.

— Kareem Hunt became the first Chiefs RB to lead the league in rushing (1,327 yards) since Priest Holmes in 2001 (1,555 yards).

— Tennessee QB Marcus Mariota had five rushing touchdowns this season, tied for the fifth most in Titans franchise history and tied for the second most among quarterbacks this season.

— Kansas City’s Travis Kelce was one of five TEs to have at least eight touchdown receptions this season. He had nine over his previous two seasons combined.

— Tennessee S Kevin Byard had eight interceptions, tied for the most in the NFL this season. The rest of the Titans combined for four interceptions in 2017.

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— Chiefs LB Justin Houston led his team with 9 1/2 sacks, the most he has had since leading the NFL in 2014 with 22.

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