★ Fantasy football archive guides ★

League history, done right.

Practical how-tos for fantasy commissioners. Archiving your league's past, navigating platform differences, and keeping the story alive when seasons end.

Ch. 1

How to archive your Sleeper league history

Every season, every draft, every champion — pulled from any Sleeper league ID in 30 seconds.

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Ch. 2

How to see your ESPN league's full history (even private leagues)

ESPN hides old seasons behind a clunky interface. Here's how to pull every year — including private leagues — into one public almanac.

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Ch. 3

How to archive your Yahoo fantasy league history

Yahoo needs a one-time OAuth sign-in. After that, every season your league has played comes back as a clean public almanac.

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Ch. 4

How to archive your NFL.com fantasy league history

NFL.com exposes league data publicly behind the league ID. Paste it, no sign-in needed, every season back to the league's founding.

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Ch. 5

Moving your league between platforms — keeping the history

Yahoo → ESPN → Sleeper. When commissioners migrate, league history dies. Here's how to preserve it.

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Ch. 6

Why fantasy league history dies (and how to save it)

Screenshots get lost. Group chats archive. Platforms change. A long-running league's story deserves better.

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Ch. 7

Sleeper vs ESPN — what each platform actually saves

Side-by-side: how far back you can see, what data you can export, and where each falls short.

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Ch. 8

The 5 biggest mistakes commissioners make with league history

Practical lessons from running and archiving long-standing fantasy leagues.

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