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DIAMOND GM
MLB Cap & Armchair GM
Diamond GM Premium

$4.99 / month

Front-office tools built for the diehards.

🎉 Launch promo — all features are free

For a limited time, every premium feature is unlocked for everyone. Subscribe anytime to support the site and lock in early-bird pricing.

  • ✓ Contract projections
    AAV projections for every free agent — the number every GM wants to see.
  • ✓ Ad-free
    No banner or in-feed ads anywhere on Diamond GM.
  • ✓ Unlimited saves
    Save as many armchair GM scenarios as you want, across teams and years.
  • ✓ Early access
    Try new features (trade grades, arb estimator, extension modeler) before anyone else.

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