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Fantasy football start em, sit em lineups advice for Colts vs. Commanders in the London International Game in Week 4 (2026). NFL matchups analysis and London starts/sits.
The NFL makes its first 2026 trip to London this Sunday. The Indianapolis Colts and Washington Commanders are set to square off at 9:30 AM ET to kick off the Week 4 Sunday slate.
Both squads enter this game banged up, with Indy and Washington each coming in with several players that have either been ruled out or are questionable for Week 4. This game - and those injuries - will be important to monitor for fantasy managers.
We will bring you International Game analysis all season, focusing on who to start, who is on the fence, and who should find the bench. Good luck in Week 4, RotoBallers!
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Indianapolis Colts vs. Washington Commanders
Sunday, October 4, 9:30 AM ET
Notable Fantasy Injuries:
- Jayden Daniels (elbow) - Out
- Alec Pierce (heel) - Out
- Terry McLaurin (hamstring) - Expected to miss
- Rachaad White (shoulder) - Out
- Keenan Allen (groin) - Out
Matchups We Love
QB Daniel Jones
Although Daniel Jones hasn't been a viable quarterback option to start the season, he has some real potential this week against the Commanders. Washington has allowed a top-8 fantasy quarterback in three straight games, which included allowing Darnold to throw for 379 yards and four touchdowns last week. Jones has some QB1 upside in deeper leagues this week.
Marcus Mariota will be in line to make his second straight start with Jayden Daniels still working his way back from an elbow injury. In last week's start, Mariota scored 20.4 fantasy points behind a three-touchdown day. Now he gets a solid matchup against a Colts defense that has allowed the second-most passing yards and seventh-most rushing yards to QBs this season. Mariota is a high-end QB2 in Week 4.
WR Stefon Diggs
Stefon Diggs didn't have a solid fantasy performance last week despite the Commanders scoring over 30 points. However, he could be in line for a strong game in Week 4 against the Colts. Diggs will run the majority of his routes in the slot, and the Colts have allowed some big games to slot WRs early on. Zay Flowers had 150 yards and one touchdown in Week 1, and Rashee Rice totaled 83 yards in Week 2.
Colts WRs
Update: Keenan Allen has been ruled OUT due to a groin issue.
Both Downs and Keenan Allen benefited from Alec Pierce missing last week's win. Downs caught five passes for 77 yards, and Allen caught six passes for 63 yards and one touchdown. With Pierce set to miss the next few weeks, fantasy managers can continue to trust Downs and Allen in different league types.
Josh Downs Route Running. pic.twitter.com/nDEwFDKnUq
— Football Performances (@NFLPerformances) September 21, 2026
Considering the Commanders rank 32nd in fantasy points allowed, 32nd in receptions allowed, 30th in receiving yards allowed, and 32nd in receiving touchdowns allowed to opposing WRs through three weeks, both Colts WRs are strong starts. Downs will be a solid WR2 play, while Allen will come in as a potential flex option in 12+ team leagues.
TE Tyler Warren
Tyler Warren could be in line for his best fantasy performance in Week 4. The Commanders have allowed the second-most fantasy points and fourth-most receiving yards to opposing TEs across the first three weeks. That makes this a good spot for Warren. He will come in as a must-start TE1 after totaling nine receptions in Week 3.
Matchups We Hate
None
Other Notable Matchups
Jonathan Taylor had a rough time on the ground last week, totaling just 9.2 PPR fantasy points. But fantasy managers should continue to start him as an RB1 this week against the Commanders. Washington allowed 83 rush yards to Saquon Barkley back in Week 1.
Commanders RBs
Update: White has been ruled out due to a shoulder injury. Croskey-Merritt becomes a much better play this week and is a low-end RB2.
It's hard to trust both Rachaad White and Jacory Croskey-Merritt in fantasy right now. White saved his fantasy day last week with a receiving touchdown, but only played 43% of the snaps and ran just 12 routes. Croskey-Merritt has totaled under six PPR fantasy points for the second consecutive week and isn't used at all in the passing game. Both RBs are lower-end flex options this weekend.
Update: McLaurin is expected to be out due to a hamstring issue.
Terry McLaurin had a big fantasy performance last week against the Seahawks. He totaled six catches for 77 yards and one touchdown in the win. McLaurin will now look to carry that game into a Week 4 matchup against the Colts. Given that Indianapolis has given up the second-most yards per completion through the air so far, McLaurin will slot in as a high-end WR3.
Terry McLaurin (hamstring) expected to be out in Week 4 (@BenStandig)
— RotoBaller NFL (@RotoBallerNFL) October 3, 2026
Indianapolis Colts Start/Sit Matchups
See the full stats in our Fantasy Football Matchup Ratings Projections
| Player | Matchup Rating ▾ |
Start/Sit | Pos. | Team | Game Matchup |
| Jonathan Taylor | 118.3 | Start | RB | IND | @ WAS |
| Josh Downs | 116 | Start | WR | IND | @ WAS |
| Tyler Warren | 112.8 | Start | TE | IND | @ WAS |
| Spencer Shrader | 108.1 | Start | K | IND | @ WAS |
| Daniel Jones | 103.2 | Risky Start | QB | IND | @ WAS |
| Laquon Treadwell | 101.7 | Sit | WR | IND | @ WAS |
| Mo Alie-Cox | 97.7 | Sit | TE | IND | @ WAS |
| Ashton Dulin | 96.2 | Sit | WR | IND | @ WAS |
| Drew Ogletree | 95.4 | Sit | TE | IND | @ WAS |
| Seth McGowan | 94.1 | Sit | RB | IND | @ WAS |
| Deion Burks | 93.8 | Sit | WR | IND | @ WAS |
| Darius Slayton | 93.8 | Sit | WR | IND | @ WAS |
| Anthony Gould | 93.8 | Sit | WR | IND | @ WAS |
| Riley Leonard | 92.5 | Sit | QB | IND | @ WAS |
| Anthony Richardson Sr. | 92.5 | Sit | QB | IND | @ WAS |
| DJ Giddens | 90.6 | Sit | RB | IND | @ WAS |
| Indianapolis Colts | 78.7 | Sit | DEF | IND | @ WAS |
Washington Commanders Start/Sit Matchups
See the full stats in our Fantasy Football Matchup Ratings Projections
| Player | Matchup Rating ▾ |
Start/Sit | Pos. | Team | Game Matchup |
| Jacory Croskey-Merritt | 106.8 | Start | RB | WAS | vs IND |
| Stefon Diggs | 107.8 | Start | WR | WAS | vs IND |
| Marcus Mariota | 103.4 | Risky Start | QB | WAS | vs IND |
| Antonio Williams | 101.6 | Sit | WR | WAS | vs IND |
| Chig Okonkwo | 100.6 | Sit | TE | WAS | vs IND |
| Austin Ekeler | 100.5 | Sit | RB | WAS | vs IND |
| Terry McLaurin | 100 | Sit | WR | WAS | vs IND |
| Kaytron Allen | 99.8 | Sit | RB | WAS | vs IND |
| Treylon Burks | 99 | Sit | WR | WAS | vs IND |
| John Bates | 98.8 | Sit | TE | WAS | vs IND |
| Colson Yankoff | 98.1 | Sit | TE | WAS | vs IND |
| Jaylin Lane | 98.1 | Sit | WR | WAS | vs IND |
| Drew Stevens | 98 | Sit | K | WAS | vs IND |
| Dyami Brown | 97.3 | Sit | WR | WAS | vs IND |
| Ben Sinnott | 96.9 | Sit | TE | WAS | vs IND |
| Washington Commanders | 95.4 | Sit | DEF | WAS | vs IND |
| Luke McCaffrey | 94.1 | Sit | WR | WAS | vs IND |
| Athan Kaliakmanis | 92.1 | Sit | QB | WAS | vs IND |
Who Should I Start Tool
Not sure who to start? Check out the Who Should I Start tool:
Compare up to four players and we'll tell you who to start...
Who Should I Start? Who Should I Sit? Some common Week 4 fantasy football lineup decisions are regarding players like Josh Downs, Stefon Diggs, Jacory Croskey-Merritt, Tyler Warren. But not to worry, we are here to help make these decisions and build winning lineups in Week 4.
Week 4 Player Decisions. Set your optimal fantasy football lineups for Week 4 of the 2026 NFL season. Our free Who Should I Start? tool will help make your fantasy football lineup decisions. Compare up to four NFL players, and we tell you who to start... all free! Get your winning lineups set, and make the right decisions.
Using The Tool. This is a simple tool but very powerful. The first step is to enter the player names that you want to compare. In the first box, search for the first player's name. In the second box, search for the second player's name. Compare up to four NFL players at once, and then click the Who To Start? button to see who the recommended starts are based on weekly fantasy football matchups.
Improvements For Who Should I Start? You may have noticed, we've added lots of great features for you to give you as much information as possible to win your fantasy football matchups each week. You'll see NFL player tiles with headshots and bye weeks, enhanced search results with data to compare, and a slick new interface. We hope you enjoy!
How It Works. Each week, our RotoBaller staff puts together their weekly fantasy football rankings and projections based on their research. That information is the core data that is powering the decision-making in this tool. When you search for player names, you will only see those players who are ranked. If someone is out for the week, they will not appear in the search results.
Scoring Formats. Fantasy football managers play in various types of leagues, and this tool allows you to choose whether it's PPR scoring, Half-PPR scoring, or Standard (Non-PPR) scoring. The second thing you want to do is to select the scoring format. There are three small radio buttons (small circles), so click on the scoring format you prefer. The results may vary based on the scoring format you select.
Popular Week 4 Searches. Curious to see some tough lineup decisions for Week 4 (2026)? Below you will find a list of some popular Who Should I Start? searches that RotoBaller readers are looking at this week. Click any of the links to see the result and recommendation.
Popular Week 4 Searches - Start/Sit Player Comparisons
Below are some popular Week 4 searches and comparisons from our 'Who To Start' tool:
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