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Updated May 14, 2026 from live stats

James Cook vs Stefon Diggs

Fantasy Football Comparison for the 2026 NFL Season

The Bottom Line

James Cook is the better fantasy play this season.

Cross-position decisions depend on league format. In half-PPR, James Cook (16.8 PPG) is the higher-floor play. Stefon Diggs (9.9 PPG) could win a specific week on touchdown variance. For FLEX spots, lean toward the player with the softer defensive matchup that week rather than defaulting to season averages.

High confidence: stats strongly favor the leader, and the gap is unlikely to close on matchup alone.

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RBBuffalo Bills#6PPG LEADER
James Cook
PPG
16.8
Games
17
Rush Yds
1,621
Rush TDs
12
Rec
33
Rec Yds
291
Bye
Week 7
WRNew England Patriots#30
Stefon Diggs
PPG
9.9
Games
17
Rec
85
Rec Yds
1,013
Rec TDs
4
Targets
102
Bye
Week 14

The Edge Chart

VolumeEfficiencyTD UpsideFloorCeilingDurability
James Cook
Stefon Diggs

Head to Head

16.8 PPG9.9 PPG
17 GP17 GP
Bye: Week 7Bye: Week 14

Fantasy Tiers

James Cook: Tier 2 (Strong Starter) RB (ranked #6 at the position). Stefon Diggs: Tier 4 (Bench/Bye Fill) WR (ranked #30 at the position). Comparing across positions, raw PPG is less useful than positional scarcity. A Tier 2 (Strong Starter) RB is harder to replace on waivers than a Tier 4 (Bench/Bye Fill) WR in most league formats.

James Cook vs Stefon Diggs: Who Should You Start?

Comparing James Cook (RB, Buffalo Bills) against Stefon Diggs (WR, New England Patriots) means weighing two different roles in your fantasy lineup. James Cook averaged 16.8 PPG in 2025 over 17 games, while Stefon Diggs posted 9.9 PPG across 17 games.

Cross-position FLEX decisions cannot be made on PPG alone. Positional scarcity, matchup quality, floor versus ceiling, and league scoring format all shift the answer. A 14 PPG tight end in a thin TE week is often worth more than a 16 PPG receiver in a deep WR week, because the opportunity cost on the waiver wire is wildly different.

DraftCall's AI engine weighs all of these signals and returns a verdict with clear reasoning, so you are not cross-referencing four different rankings tabs on a Sunday morning.

James Cook has his bye in Week 7, Stefon Diggs in Week 14. Plan your FLEX rotation around those weeks, especially if either player is anchoring your roster.

Trade Value + Dynasty Outlook

James Cook is a buy in trades where the other manager is chasing upside at a different position. Stefon Diggs is a hold unless you can flip him for a positional upgrade elsewhere on your roster. Dynasty outlook: James Cook (age 26) is approaching the age where RB production historically drops. Sell-high window is open. Stefon Diggs (age 32) is in the later years of production. Still a redraft asset, but dynasty value is declining.

Did You Know?

  • James Cook outscored Stefon Diggs by a projected 117 total fantasy points over a full 17-game season.
  • James Cook scored 14 total touchdowns in 2025 (0.8 per game), making him one of the more reliable scoring options at running back.
  • Stefon Diggs caught 85 passes in 2025. Pass-catching backs average 2-3 more PPG in half-PPR than their non-receiving counterparts.
  • James Cook is 6 years younger than Stefon Diggs (26 vs 32), which significantly impacts dynasty league trade value.
Detailed Stat Breakdown
StatCookDiggs
PPG (Half-PPR)16.89.9
Games Played1717
Total Fantasy Pts (est.)286168
Rushing Yards1,6210
Rush Yds/Game95.40.0
Rushing TDs120
Receptions3385
Receiving Yards2911,013
Targets40102
Total TDs144
Age2632
Experience3 yrs10 yrs
Bye WeekWeek 7Week 14

Summary

16.8 PPG for James Cook versus 9.9 for Stefon Diggs in 2025. The baseline favors James Cook, though the right weekly matchup can flip the script. For a full breakdown that weighs matchup quality, form, and injury reports, try DraftCall's AI comparison engine.

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Frequently Asked Questions

Should I start James Cook or Stefon Diggs in fantasy football?

Based on 2025 season averages, James Cook has the edge at 16.8 PPG compared to Stefon Diggs's 9.9 PPG. However, the best start depends on weekly matchup, recent form, and injury status. DraftCall's app provides real-time AI-powered verdicts that factor in all of these variables.

How many fantasy points did James Cook and Stefon Diggs average in 2025?

James Cook averaged 16.8 fantasy points per game (half-PPR) across 17 games in 2025. Stefon Diggs averaged 9.9 PPG over 17 games. That is a difference of 6.9 points per game.

When are James Cook and Stefon Diggs's bye weeks in 2026?

James Cook (BUF) has a bye in Week 7, and Stefon Diggs (NE) has a bye in Week 14. Plan your roster accordingly if you are carrying both players.