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Sport · MLB

Whet for the MLB.

Lineup-confirmed BvP, park factors, bullpen workload. Hit the right side every time.

01 · Lineup confirmation

The card hasn't been posted.

MLB lineups post 60-90 minutes before first pitch. A player's prop is dead air until then — a scratch voids the bet on some books, settles as a loss on others. Whet won't surface a player prop until the lineup is confirmed. The scanner waits.

Once the lineup hits, Whet re-scores every prop against the confirmed batting order. A 1-hole hitter facing a LHP gets different math than a 7-hole hitter facing the same pitcher. The order matters.

02 · Batter vs Pitcher

Sample size matters.

BvP (batter vs pitcher historical splits) is the most misused stat in MLB props. Under 20 plate appearances, the numbers are noise — you'll see “Trout is 4-for-7 off Buehler” in betting articles every week and it'll predict nothing.

Whet's BvP filter requires 20+ PA before it inputs into the score. Under that, BvP doesn't move the number. Over that, it's a real signal — and Whet weights it by both the sample size + the recency of the encounters.

03 · Park factor

The stadium changes the math.

Coors hits like a different sport. Petco kills offense. Yankee Stadium's short porch is a left-handed pull hitter's playground. Whet's park-factor filter multiplies offensive-prop scores by venue-specific coefficients calibrated on 10 years of data.

Wind direction at outdoor parks layers on top. Wrigley blowing out is a different game than Wrigley blowing in. The filter pulls the live wind reading at game-time.

04 · Pitcher workload

Tired arms throw worse.

A starter on short rest has worse stuff. A reliever appearing for the third day in a row has a worse strike- out rate. Whet's pitcher-workload filter tracks pitches-thrown across the last 7 days and de-rates K totals for arms above the threshold.

The bullpen-fatigue knock-on also matters: if the home team's bullpen has been gassed across a series, the opponent's late-game offensive props (5+ innings) get a quiet boost.

MLB props, every day?

Starter ($24.99/mo) includes MLB. Pro adds the full filter stack including handedness splits + leverage-index inputs.