MLB · Fantasy Baseball

Your AI fantasy baseball assistant

Connect your MLB leagues and get an AI built for the long season — streaming pitchers, two-start weeks, category balance and roster-aware trades.

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Sleeper · ESPN · Fleaflicker · FantraxStreaming & two-start weeksCategories & pointsRoster-aware AI

No credit card. No passwords — ever. Connect in under a minute.

Connect your MLB league

Roster Locker connects MLB leagues from Sleeper (username), ESPN (league URL/cookies), Fleaflicker (account email), Fantrax (Secret ID), and Yahoo (coming soon).

Made for the 162-game grind

Streaming pitchers — who to spot-start this week and which two-start arms are worth it.
Category strategy — where you're winning and losing, and how to rebalance.
Trade grades that weigh category needs and roster fit.
Start/sit with matchups, park factors and platoons in mind.

Roster Locker is free to start. Paid plans (Pro $7.99, All-Pro $14.99, Hall of Fame $22.99 per month) add more AI credits — but live-draft help is always free and unmetered, on every plan, on every platform.

Frequently asked questions

Which MLB fantasy platforms are supported?

Sleeper, ESPN, Fleaflicker and Fantrax are live, with Yahoo coming soon.

Can it help me decide which pitchers to stream?

Yes. Roster Locker recommends spot-starts and two-start pitchers for the week based on your roster and league scoring.

Does it handle category and points leagues?

Yes. It analyzes both roto/category and points MLB leagues, factoring category balance into advice.

Is the advice based on my roster?

Yes. Every answer is grounded in your actual roster and scoring settings.

Is it free?

Free to start, with paid tiers for more AI credits.

One AI for every fantasy league you own.

6 sports, 7 platforms, one AI that reads your actual rosters and scoring. Free to start — and draft-day help is always free.

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