JACKSONVILLE – Another week, another real test.

This week's test is particularly tricky for the Jaguars – a very consistent, very physical opponent six days after an emotional prime-time game.

The Jaguars (4-1) on Sunday at EverBank Stadium will play host to the Seattle Seahawks (3-2), winners of three consecutive games before a three-point loss to the Tampa Bay Buccaneers this past Sunday.

For the Jaguars, the game comes less than a week after a dramatic 31-28 victory over the three-time defending AFC Champion Kansas City Chiefs on Monday Night Football. The Jaguars overcame a 14-point deficit to beat a team they hadn't beaten in the past eight meetings over 16 seasons.

"Short weeks" are tricky in the NFL, with Jaguars needing to regenerate the energy of a standing-room only crowd at the Chiefs game – one of the most adrenaline-filled Jaguars home games in recent memory.

The Seahawks, like all other NFL teams, haven't had the Chiefs' recent postseason success. What they do have is a consistent, strong team with potent offense and one of the NFL's most-physical defensive lines.

The Jaguars are tied for first place with the Indianapolis Colts in the AFC South and tied with the Colts and Buffalo Bills for the AFC's best record. The 4-1 record is their best since 2007, and a victory Sunday would give them their first 5-1 start since 1999 – a season they started 13-1 and played in the AFC Championship Game.

They're already in relatively rarified air. To get more rarified, they must win Sunday.

Here are 10 things they must do to do that:

1. Run. Keep circling this because it remains key to first-year Jaguars Head Coach Liam Coen's offense. The Jaguars didn't run consistently against the Chiefs. But they had bursts of effectiveness at key times. Running well Sunday could be more difficult than Monday. The Jaguars may not reach 100 yards, but they must make the run matter.
2. Beat coverage. The Seahawks' front is their defensive strength. Jaguars quarterback Trevor Lawrence must be more consistent beating the back end of the defense than he has been so far this season.
3. Be physical. The Jaguars have been the most physical team in most of their games this season. It may be difficult to win the physical battle against the Seahawks, but the Jaguars probably must do it to win.
4. Get THE going. Jaguars rookie wide receiver/defensive back Travis Hunter – a.k.a., the Travis Hunter Experience – had his most productive game of the season against the Chiefs. He has shown a knack in recent weeks for big plays in big moments. He needs more opportunities to make them.
5. Needed: Big pass plays. This ties in with T.H.E., but it's not exclusive to Hunter. The Jaguars' longest passing touchdown this season is 11 yards. They hit deep passes to Hunter and wide receiver Brian Thomas Jr. against the Chiefs, but this offense needs some "explosive touchdowns." It's tough to win consistently in the NFL when every touchdown drive is a grind.
6. Pressure. The Jaguars have pressured quarterbacks consistently this season. They weren't nearly as consistent here against the Chiefs. Seahawks quarterback Sam Darnold is in something of a career resurgence. Pressuring him will be key.
7. Take. It. Away. The Jaguars lead the NFL with 14 takeaways, and linebacker Devin Lloyd has been a takeaway phenomenon. It's unlikely the Jaguars can keep forcing as many critical turnovers as they have through five games. But takeaways remain key to their chances each week.
8. Contain Smith-Njigba. Seahawks wide receiver Jaxon Smith-Njigba has emerged as one of the NFL's most-dangerous players at his position. He's just one of multiple front-line skill players for the Seahawks, and their running game – particularly running back Kenneth Walker – must be first priority. But Smith-Njigba can score from anywhere on the field and must be contained.
9. Get them blocked. The Seahawks' defensive front is as good as any in the NFL. The Jaguars' offensive line has been perhaps their biggest team strength. Sunday may be the group's toughest test to date.
10. Just win. The Jaguars haven't been perfect this season. They haven't been close to perfect. But they have been a tough-minded team that believes it will win and has found a way to win. When they play with the conviction and belief they have shown through five games, they have a chance to win any game.