THE HOME RUN KING
HRK is a daily MLB research tool — projections, splits, spray charts, per-game heatmaps, and 18+ sportsbook lines per market. Re-runs the moment lineups move.
Each surface shows the same underlying data — projections, splits, market context — sliced differently for the question you're asking.
Every batter on the slate ranked by our model's home-run probability — a daily-refit logistic ranking. Composite edge vs the market, matchup badges, and chip filters to slice the board fast.
Open the Leaderboard →Each game gets two pitcher panels — opposing batters as rows, 14 stat columns heatmapped green→red. Sticky game-jump nav for fast comparison.
View Matchups →Click any player name from the grid or a cheatsheet. Game-log chart with 11 stat tabs, spray chart with wind overlay, pitch-type splits, plate-discipline tiers, expected stats vs actuals, full pitcher arsenal.
Example: Judge →Every batter on the slate riding an active hit streak — sorted by length, with their season BA vs the opposing pitcher's hand and career BA vs the specific arm on the bump tonight.
See Streaks →Season-long view of every hitter's flat-bet HR ROI vs market. HR rate / Avg Implied % − 1 — positive means you'd be profitable betting them every game at the season-average HR line.
Open HR Central →Guaranteed-profit spots where two books disagree enough to bet both sides for a locked return. Auto-scanned across every market, with the stake split and profit % done for you.
Scan Arbs →Lineups, prices, and weather move all afternoon. The model re-runs whenever MLB posts a lineup change — so what you see on the site reflects tonight's slate as it stands right now, not what it looked like at breakfast.
Confirmed and projected lineups, posted prices across every major US book, ballpark conditions, and matchup context — refreshed each cycle.
Every batter and pitcher gets a per-game projection rooted in batter-pitcher matchup, park factor, weather impact, and recent form.
Projections become fair odds. Compare to tonight's market, surface where books are mispriced, and gate the strongest reads to PLAY at composite ≥ 80.
Research grid, cheatsheets, player profiles, parlay tools — every page rebuilds and ships to the site within minutes of each refresh.
A lightweight watcher polls the official MLB feed every 90 seconds. The moment a starter swaps, a lineup gets posted, or a pitcher changes, the projection engine re-runs and the whole site rebuilds — so what you see is never older than the most recent lineup move.
Morning baseline. Full projection rebuild, every book priced, all aggregations refreshed + Discord posts go out.
Lineup-driven dispatch. Each starter swap, lineup-confirm, or pitcher change triggers a re-run within ~2 minutes of MLB publishing it.
Day's results graded against official MLB results, tomorrow's slate primed for the morning baseline.