Diamond Brief
A 90-second morning recap of every MLB game, written like a friend catching you up — storylines, key plays, who did something interesting — for fans who follow the league but can't watch every night.
Casual MLB fans who want to keep up with the league but only have time for a quick daily read
- 90-second text/audio recap of every MLB game each morning
- Watch-or-skip recommendation based on tonight's storyline
- Follow specific players or teams for personalized recaps
- Standings and wild-card race context that matters today
MLB is in mid-summer with daily games; player-specific searches like 'Jake Rogers' spike around individual games, signaling fans care about individual storylines during a long season
MLB.com, Baseball Reference, and the official MLB app already ship free daily recaps/newsletters; S&P survey shows ~3 in 10 Americans watch MLB with mostly casual fans — demand exists but is already addressed by entrenched free incumbents.Sign Up For MLB Newsletters | MLB.com ↗Approximately one-quarter of MLB fans are highly engaged sports fans ↗
Recap space is crowded: MLB.com newsletters, Baseball Reference's daily newsletter, and the MLB app's built-in daily recaps cover this need for free; the '90-second all-games friend-tone' angle is incremental, not white-space.Baseball Reference Newsletter | Baseball-Reference.com ↗MLB Newsletters - MLB.com ↗
Free league- and reference-site recaps set a $0 anchor; Ian Powers' analysis of top 100 paid sports Substacks shows football dominates (30%) while baseball Substacks are a small sliver, suggesting thin paid demand and tough conversion.From $5 to $250: What the Top 100 Sports Substacks Teach Us About Paid Sports Newsletters ↗Best Paid Substack Newsletters 2026 (Top 15 by Revenue) ↗
162-game season creates sustained daily demand, but CivicScience and S&P both flag MLB losing traction with Gen Z and casual fans — the addressable base may shrink over a multi-year horizon even if season-long use is durable.MLB Viewership: Striking Out With Gen Z | CivicScience ↗Approximately one-quarter of MLB fans are highly engaged sports fans ↗
Straightforward to build with off-the-shelf LLM summarization over box scores and game feeds; no specialized data, infra, or licensing beyond publicly available MLB stats and recap sources.