Diamond DFS Resources

Find projections, lineup tools, and strategy for your league — plus the guides and references that work across both sports.

Explore by league

MLB DFS

Your current league

Daily projections and optimal lineups, starting pitchers, team stacks, ballpark factors, and weather.

Projections Ballpark factors Lineup guide

Explore MLB DFS

NFL DFS

Weekly projections and optimal lineups for Classic and Showdown, plus game stacks, matchups, weather, and injuries.

Projections Stacks & matchups Weather & injuries

Explore NFL DFS

Strategy & reference

DFS glossaryTerms for scoring, projections, stacks, and leverage.Projection methodologyHow opportunity, matchups, form, and weather shape the numbers.Lineup strategy guideA step-by-step guide to building MLB lineups.

Connect Diamond DFS

ChatGPTSet up Diamond in ChatGPT and ask for projections or lineups.ClaudeConnect Diamond DFS to Claude for live slate data.Developer APIReference endpoints, access, and examples for custom tools.

Tools & updates

Lineup optimizerBuild and adjust your DraftKings or FanDuel lineups.What’s newSee recent changes to projections, tools, and data.