The official unofficial permanent record

Mason-Dixon History Vault

All-time records, season archives, manager receipts, and league lore.

A static, shareable archive powered by Sleeper's public API. Raw league data gets saved as JSON, then processed into clean files the site can use.

View Records Browse seasons

Numbers with consequences

Archive Dashboard

Static site ready

Seasons

7 Archived from Sleeper

Managers

13 Owners found across seasons

Records

8 All-time marks calculated

Trades

362 Trade history captured

Permanent evidence

Featured Records

The first version calculates all-time scoring and matchup records.

01

Highest weekly score ever

175.3

MaHomies, Week 15, 2019

All-time record
02

Lowest weekly score ever

27.74

Gamblers Anonymous, Week 7, 2024

All-time record
03

Biggest blowout

109.7 pts

Jeanty In A Bottle 144.34 vs The Het0n’s 34.64, Week 14, 2025

All-time record

Start exploring

Vault Sections

Small pages first. Bigger league lore later.

Records All-Time Marks High scores, low scores, close calls, blowouts, and season totals. Trades Trade Museum Completed deals, asset counts, tags, and trade leaderboards. Seasons Season Archive Every Sleeper season found by walking backward through previous league IDs. Managers Manager Index A simple list of every manager found in the historical data.
No database

Raw Sleeper responses and processed site data are committed as JSON.