- Starter matchup: Foster Griffin (Cleveland Guardians) vs Sonny Gray (Boston Red Sox).
- Lineup status: projected until official release.
- NRFI model: 60% probability, lean NRFI, +5.1% edge.
Pitching Matchup
On the season, Sonny Gray holds the ERA edge in this matchup. Foster Griffin carries a 3.67 ERA and 1.19 WHIP, while Sonny Gray sits at 2.82 ERA and 1.16 WHIP.
Strikeout rates: Foster Griffin at 8.15 K/9, Sonny Gray at 8.06 K/9.
K projections: Foster Griffin at 2.9 (line 4.5)
Sonny Gray projected at 4.0 (line 4.5).
First-inning scoring: Foster Griffin holds a 81.2% career NRFI rate, Sonny Gray at 80.2%. Combined average: 80.7%.
This is a LHP vs RHP matchup, creating potential platoon advantages in both lineups.
Strikeout Projections
Our strikeout model weighs pitcher K rate, opponent lineup whiff tendency, park factors, and umpire zone size to project total strikeouts per starter.
Foster Griffin (Cleveland Guardians) is projected for 2.9 strikeouts against a posted line of 4.5. The projection sits 1.6 K below the line, giving the model an Under lean.
He faces a high-K lineup that strikes out at 24.1% with a 28.0% whiff rate.
Sonny Gray (Boston Red Sox) is projected for 4.0 strikeouts against a posted line of 4.5. The projection is close to the line with no actionable edge.
He faces a moderate-K lineup that strikes out at 21.7% with a 28.0% whiff rate.
The Boston Red Sox lineup is more vulnerable to strikeouts in this matchup. Boston Red Sox batters K at 24.1%, Cleveland Guardians batters at 21.7%.
NRFI & First 5 Analysis
Our NRFI model analyzes both starting pitchers' first-inning profiles, the top-of-order hitters in each lineup, the umpire's historical zone, and environmental factors to produce a probability estimate. For this game, the model assigns a 60.0% probability of no runs in the first inning, compared to the market's implied probability of 54.9%.
- That creates a moderate 5.1% edge on NRFI.
- The best available line is NRFI -122 / YRFI +100 at FanDuel.
- This qualifies as a top pick in our publication system.
The home plate umpire for this game has not yet been assigned. MLB typically posts assignments the morning of game day. Umpire data will be added automatically once the assignment is posted.
Our NRFI model sits at 160-154 (51.0%) on official picks this season.
Prop Edges
Lineup & Matchup Breakdown
Lineups are projected as of this writing.
Cleveland Guardians K vulnerability: 21.7% strikeout rate, 28.0% whiff rate.
Boston Red Sox K vulnerability: 24.1% strikeout rate, 28.0% whiff rate.
Ballpark, Weather & Umpire
- Fenway Park carries a 1.08 run factor (hitter-friendly).
- Home run factor: 1.15 — the park elevates HR power.
- Park notes: Green Monster (37ft wall in left field); Pesky's Pole (302ft in right field); Triangle in center field.
First pitch forecast: 56F with 8 mph winds from the NE. Humidity: 71%.
Home plate umpire: Not yet assigned. Umpire data will be added once the assignment is posted.
Run Projections & Total
- Our projection model puts the total at 5.3 combined runs, with Cleveland Guardians projected for 2.7 and Boston Red Sox for 2.7.
- That's 1.2 runs below the posted total of 6.5, suggesting a lean toward the Under.
- The run projection is essentially a coin flip between these two teams.