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Fantasy Baseball so immersive you’ll think you’re the next Billy Beane.

Year-round Dynasty fantasy baseball for serious baseball fans.

Difficult team-building choices combined with open-market auctions, arbitration, and year-round trades make Ottoneu the best fantasy baseball game you can play.

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Join a league or Create a new league

League Name

original ottoneu

  • Team Dark Overlord
  • It's A Perm
  • Tim Salmon Feast
  • RIP Drake LaRoche
  • Zach
  • A Little Out of Context
  • The Very Handsomes
  • Third Place, Probably
  • Jon Heyman's Last Sirloin
  • Giancarlo Axisa
  • 1-600-DOCTORB
  • Zizzy Fan Club

Team Name

negative EV


$356 OF $400

  • James McCann



  • Travis d'Arnaud



  • Corey Seager



  • Paul Dejong



  • Anthony Rendon



  • Wil Myers



  • Mike Trout



  • Gerrit Cole



  • Tyler Glasnow



  • Dinelson Lamet



  • Max Fried



  • Ian Anderson



  • Liam Hendriks



  • Wander Suero



Your team, for the long haul.

  • Deep Rosters

    All MLB & Active MiLB Players

    The player universe currently consists of all MLB and MILB players and you have a full 40-man roster to fill.

  • Arbitration

    Add salary to breakout players

    Arbitration allows teams to add dollars to players on other teams in their league. They'll never have the one player that is way too cheap.

  • Auction-Based

    Get your budgets ready

    You've got a budget of $400; spend it wisely.

  • Trades & Waivers

    Now or the future

    Whether you're building for a title run or stashing away for next year, trades are where it all happens.

Multi-season, year round action.

  • Multiple scoring options

    Points or Roto

    Play a linear-weights inspired points league, modernized 4x4, or classic 5x5.

  • Record Books

    Flags fly forever

    Each league has a record book for all-time performances

  • Offseason

    Always next year

    The fantasy season doesn’t end when the baseball season does. With arbitration, trading all off-season and tough keeper decisions, you’ll be kept busy.

Every season a champion is crowned.

Don't have a full crew? Our open leagues allow you to compete against anyone.

Join an open league

What our GMs have been saying.

  • The thing I love most about Ottoneu is that it attracts really passionate and knowledgeable fans.

    Henry Woodbury
  • The Ottoneu experience has the perfect balance of depth and accessibility that the other major sites just can't touch. The off-season might be the best part!

    Ryan Beck
  • It's far more in-depth, challenging and rewarding over multiple seasons.

    Adam Moerder