Baseball Simulation Game Online
Draft all-time greats, play with real historical stats, and manage your club in free multiplayer baseball sim leagues. Whether you prefer quick auto-sims or deep custom leagues, Pennant Chase lets you build a champion your way.
If you also love basketball simulation games or
football sim games, or want an overview,
see all games.
This site has always been FREE and was made with love by one webmaster who was inspired by the great games of the past, like MicroLeague and Earl Weaver Baseball.
Join a Baseball League Learn more with our FAQs
How It Works
- Create a free account and pick an available league.
- Draft or rank players from any era—results are simmed using their real stats.
- Set lineups, rotations, bullpen roles, and in-game strategy.
- Follow daily box scores or watch replays; make trades and sign free agents.
- Chase the pennant through a full schedule and playoffs.
Want full control? Run your own private league with flexible commissioner tools—custom player pools, fictional rookies, contracts, budgets, and more.
New to sims? Start with an automated league, then explore advanced strategy as you go. It’s free to play.
What is a baseball simulation game? · Strategy tips · Player records
Most Wins This Year |
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| chaaad | 51,253 |
| WorcWarr | 48,862 |
| Artinshki | 44,005 |
| RichGibson | 42,836 |
| Mortamar1966 | 42,783 |
| more... | |
Why People Love Our Online Baseball Sim
Realistic results from real stats, active multiplayer leagues, and an easy interface—read what long-time players say about Pennant Chase.
Baseball Sim FAQ
Is Pennant Chase free to play?
Yes. Join free automated leagues or play in custom leagues created by commissioners.
Are results based on real baseball stats?
Yes. Outcomes are simulated using players’ historical statistics—no arbitrary ratings.
Can I run my own private league?
Absolutely. Commissioner tools let you customize player pools, drafts, schedules, budgets, and contracts.
Key Features of Our Baseball Simulation Leagues
Most managers start in automated public leagues—easy to join and fast to play. Advanced users can run custom private leagues with deep controls.
- Real historical stats power every result—no arbitrary ratings
- Free to play with quick daily sims and active multiplayer competition
- Pick from a variety of leagues, featuring pre-1900 to modern stats, black baseball history, or Japan baseball history!
- Enjoy two to three sims a day, with the ability for users to sim games every 8 hours (customizable for custom leagues)
- 162-game schedules and wild-card playoffs
- Modify team name, ballpark and logo
- Offer, approve, reject trades
- View Box scores and replays of every game
- Track team power rankings
- View MVP & Cy Young candidates throughout season
- Adjust on-field strategy
- Modify lineups, rotation and bullpen
- Drop players and sign free agents
- Sign keepers to contract for subsequent seasons
- Ten seasons of historic stats kept for every league!
- Structure your league with as many teams as you want in up to 8 different divisions
- Create, delete, modify players as you wish
- Choose a batch of players to start with or build from scratch
- Import any player or team from the history of baseball
- Create fictional rookie players with the click of a button
- Utilize your league’s draft room at any time – before, during, or after a season
- Create your own schedule
- Simulate games at your own pace, any time, day or night
- Archive up to 10 seasons and award post-season trophies
- Automate player aging and retiring between season
- Create team budgets and player contracts
Join a baseball league · FAQ · Strategy tips · Award winners
