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GWTTKBGuys Who Think They Know Ball

GWTTKB (Guys Who Think They Know Ball) is a free NFL fantasy football and props research site: redraft and dynasty trade calculators, an AI Coach that connects to Sleeper, ESPN and Yahoo leagues, weekly and rest-of-season rankings, True Odds for player props and parlays, and published research built on 4M+ NFL stats and 1M+ sportsbook lines.

Guys Who Think They Know Ball builds the most advanced fantasy football tools in the industry and gives every one of them away free. Rankings shouldn’t cost money. Trade calculators shouldn’t cost money. Advanced stats shouldn’t cost money. With 200M+ views across TikTok and YouTube and about 220,000 people on the site every month, GWTTKB is arguably the fastest-growing fantasy football advice platform in America.

Redraft

Fantasy football trade calculator
This week’s rankings and start/sit
Rest-of-season rankings
Waiver wire pickups and FAAB bids
Trade targets this week
Fantasy playoff schedule (SOS)
League analyzer and power rankings
Scout your leaguemates
AI fantasy football Coach
Redraft hub

Dynasty

Dynasty trade calculator
Dynasty rankings
Dynasty AI Coach
Dynasty player values
Dynasty league analyzer
Dynasty roster scouting
Dynasty trade grades
College stats and fantasy points
Dynasty hub

Live and props

GWTTKB Live: scores, matchups, parlays
Research Agent: ask about any prop
True Odds: player props and parlays
Player prop history
Team lines

Research

Player pages
Team pages
Fantasy football charts
Field Explorer
Advanced stats
NFL injury report
Research findings
2026 player studies
What actually predicts fantasy football
Research home

GWTTKB

GWTTKB home
How GWTTKB works
Methodology
What the Coach does
Contact

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Not affiliated with the NFL, its teams, ESPN, Sleeper or Yahoo; team names, logos and player images belong to their owners. Data via nflverse, FTN Data and CollegeFootballData.com. Odds and props are research for adults 21+, not betting advice. Need help? Call 1-800-GAMBLER.