No team has ever done it.
The 1906 Cubs topped out at .763. Draft an all-time roster — one slot-machine spin at a time — and see how close you get to a perfect 162-0.
Player pool:
Classic
Full stats on the table — WAR, peak seasons, Hall of Fame flags. Build the best team the numbers allow.
Start drafting →Scout
Numbers hidden. Just names, years, and your baseball brain. The stats reveal only when the season simulates.
Trust your gut →How it works
- Each round the machine spins a position · era · franchise combo.
- Pick the best player who actually played that position, in that era, for that team.
- One team-skip and one era-skip per game. Twelve rounds. No do-overs.
- Your roster's peak seasons feed a Pythagorean engine. Chase perfection.

