What is the 162-0 MLB Challenge?

The 162-0 MLB Challenge is a free browser game where you draft an all-time MLB roster from any era and simulate a full 162-game season attempting to go undefeated — something no real MLB team has ever come close to achieving.

Has any MLB team ever gone 162-0?

No. The best single-season record in MLB history is the 2001 Seattle Mariners at 116-46. Going 162-0 has never been achieved and is considered statistically impossible for any real team.

How do I draft an undefeated baseball team?

Build your roster by drafting all-time greats from any MLB era — pitchers like Walter Johnson, Sandy Koufax, and Roger Clemens combined with hitters like Babe Ruth, Ted Williams, and Willie Mays give you the best foundation for a perfect season.

What is the best single-season MLB record ever?

The 2001 Seattle Mariners went 116-46, tying the 1906 Chicago Cubs for the most wins in a single season. No team has gone undefeated in a full 162-game MLB season.

Is the 162-0 MLB Challenge free to play?

Yes. The 162-0 MLB Challenge on Franchise Lab is completely free to play in your web browser. No download or account required.

LOADING PLAYERS...

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FRANCHISE LAB

Build your all-time MLB roster across any era

HOW TO PLAY

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Spin the Slots

Each round you're randomly assigned a decade and an MLB franchise to draft from.

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Use Your Re-Spins Wisely

One re-spin per round — swap the era or the team. Once used, they're gone.

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Pick Your Player

Browse hitters and pitchers, sort by stats, and pick the best fit for each roster slot.

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Fill Your 8 Slots

Build a full lineup: C, 1B, 2B, SS, 3B, OF, SP, and RP.

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See Your Season

Simulate a 162-game MLB season. Hitting, pitching, balance, and prestige all factor in.

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Pick Your Player

Spin for a team, then pick a player and assign their slot

DECADE

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TEAM

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SEASON PROJECTION

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Projected 162-Game Record

PLAYOFF PROJECTION

PRESTIGE

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League
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TEAM BALANCE

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HOW YOU COMPARE

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Rank

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Percentile

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Total
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YOUR ROSTER

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