Fantasy football managers are constantly searching for that perfect waiver wire pickup that could make or break their week. Defensive units often fly under the radar, but savvy players know that streaming the proper defense can be the difference between victory and defeat.
This week presents some intriguing options that could provide significant value for your lineup. Smart fantasy football decisions aren’t always about the most prominent names, but rather about identifying favorable matchups and emerging opportunities.
These rankings were last updated at 7:00 AM ET on Tuesday, December 30, 2025.
Week 18 Defense Rankings
1) Buffalo Bills (vs. NYJ)
2) Minnesota Vikings (vs. GB)
3) Houston Texans (vs. IND)
4) New England Patriots (vs. MIA)
5) Denver Broncos (vs. LAC)
6) Seattle Seahawks (at SF)
7) New Orleans Saints (at ATL)
8) Cincinnati Bengals (vs. CLE)
9) Kansas City Chiefs (at LV)
10) Pittsburgh Steelers (vs. BAL)
11) Las Vegas Raiders (vs. KC)
12) Detroit Lions (at CHI)
13) New York Giants (vs. DAL)
14) Jacksonville Jaguars (vs. TEN)
15) Dallas Cowboys (at NYG)
16) Los Angeles Chargers (at DEN)
17) Green Bay Packers (at MIN)
18) Baltimore Ravens (at PIT)
19) Cleveland Browns (at CIN)
20) Philadelphia Eagles (vs. WAS)
21) Carolina Panthers (at TB)
22) Miami Dolphins (at NE)
23) Chicago Bears (vs. DET)
24) Indianapolis Colts (at HOU)
25) Arizona Cardinals (at LAR)
26) Atlanta Falcons (vs. NO)
27) New York Jets (at BUF)
Minnesota Vikings (vs. GB)
Both of these teams have nothing to play for in Week 18. But one of them does not care at all and is just trying to make it out of the game healthy to prepare for the one that does matter. The other is the Vikings.
Minnesota has played inspired football recently, winning four straight. Their season has been over for weeks, but they are still motivated to finish above .500. They can and likely will do that with a win in Week 18 over the Packers.
Last week, Malik Willis helped the Packers light up the scoreboard on a weak Ravens defense. Not only are the Vikings much better, but it won’t be Willis…or Jordan Love.
The expectation is that Clayton Tune will get the start in a meaningless Week 18 game.
Head coach Matt LaFleur already said he plans to rest key players with his team locked into the No. 7 seed. That means one of the best defenses in the league gets a third-string quarterback who has thrown 33 passes in his career, playing with a bunch of other backups and third-stringers in a game where the primary motivation of the players will be to simply not get hurt. The Packers may not score.
Kansas City Chiefs (at LV)
This one is obviously a bit risky as the Chiefs have nothing to play for. But the Chiefs played hard against the Broncos last week and almost pulled off the upset. This may very well be the last game of Travis Kelce’s career. There is a decent chance they might want him to go out with a win.
Meanwhile, the Raiders are playing out the final week of a disaster season. Pete Carroll’s job may be on the line, but that doesn’t matter if the players can’t perform. Kenny Pickett seems likely to start behind the worst offensive line in the league for an offense that just barely scored 10 points against the Giants last week.
The Raiders allow the most fantasy points per game to opposing defenses by over a full point. They are easily the most favorable matchup you can find. This one will likely be very low scoring with both teams starting backup quarterbacks. The Chiefs have a high floor and are a safe option.
