MLB matchup analysis
Athletics vs Red Sox Prediction, Odds and Model Pick
Sunday, August 9, 2026 at Fenway Park · 1:35 PM ET
LyDia prediction: Boston Red Sox moneyline
The case for Boston Red Sox
The case for Athletics
Why it is not official
Why the setup score is what it is
Read the full model output
Boston Red Sox remains on the watchlist. Lab Rating 7.5/10: conviction 35, pitching plan 6, bullpen 9.11, offense 25. LyDia projects 68.9% against a 67.8% no-vig market number, a 1.1% model edge at -223. The starting pitcher matchup does not create a meaningful separation. Bullpen read: Elevated volatility. Boston Red Sox's pen efficiency: Effective (6.6/10). Bullpen fatigue moved this probability down 19.0 points from 87.9% (starting pitcher and team strength only) to 68.9%. Pitching plan: Erik Miller 4.5 IP + remaining bullpen 4.5 IP. Bullpen fatigue, efficiency, and combined risk grade only the innings assigned to the bullpen. Lineup check: Boston Red Sox is swinging a hot bat (+0.100 OPS); Athletics is in a cold stretch (-0.108 OPS). Recent form supports this side and is included in the unified run projection.
Game information
| Matchup | Athletics at Boston Red Sox |
|---|---|
| Date | Sunday, August 9, 2026 |
| First pitch | 1:35 PM ET |
| Venue | Fenway Park |
| Starting pitchers | J.T. Ginn vs Erik Miller |
| Weather | Game-time forecast: 91°F, 0% precipitation chance, 13 mph wind from W. |
Starting pitcher matchup
Full Pitcher Matchup Tool →| Metric | Athletics | Red Sox |
|---|---|---|
| Pitching plan | Traditional starter | Role unknown |
| Expected innings | 5⅓ | 4⅔ |
| Throws | R | L |
| LyDia pitcher score (higher is better) | 68 | 66 |
| ERA (lower is better) | 3.51 | 2.57 |
| WHIP (lower is better) | 1.21 | 1.34 |
| K/9 (higher is better) | 8.2 | 12.6 |
| K-BB% (higher is better) | 11.2% | 17.1% |
| K% (higher is better) | 21.8% | 32.2% |
| BB% (lower is better) | 10.6% | 15.1% |
| BB/9 (lower is better) | 4.0 | 5.9 |
| HR/9 (lower is better) | 1.0 | 0.5 |
| Ground-ball rate | 53.5% | 56.6% |
| Fly-ball rate | 46.5% | 43.4% |
Pitcher edge: LyDia gives J.T. Ginn a 2-point edge over Erik Miller, driven mainly by BB/9 (4.0 vs 5.9) and expected innings (5.4 vs 4.5).
How to read this: the scorecards above name the starters; every number lives in this table. Highlighted cells mark a gap big enough to matter. K% and BB% are strikeout and walk rate as a share of batters faced -- K-BB% is the two combined into one skill number. HR/9 is home runs allowed per nine innings. Ground-ball and fly-ball rate are neither good nor bad on their own: high ground-ball pitchers trade strikeouts for double plays and fewer home runs, and on this data source the two rates are complementary (they add to 100%), not independent reads.
Strikeout Projections Full strikeout projections →
Same data source as the Pitcher Matchup Tool, where every starter on the slate is compared side by side.
Recent form
Full Stats page →Athletics are 1-9 in their last 10, averaging 3.3 runs per game over the last 15 days, and hitting below their season form; Red Sox are 9-1 in their last 10, averaging 6.3 runs per game over the last 15 days, and swinging above their season form. On the season Red Sox carry the better run differential per game (+0.73 against -1.41).
| Metric | Athletics | Red Sox |
|---|---|---|
| Last 10 | 1-9 | 9-1 |
| Last 10 by venue (away team on the road, home team at home) | 2-8 on the road | 7-3 at home |
| OPS, last 15 days | 0.608 | 0.824 |
| wOBA, last 15 days (hot/cold read) | 0.272 | 0.359 |
| Runs per game, last 15 days | 3.3 | 6.3 |
| K% last 15 days (lower is better) | 24.5% | 21.8% |
Last 15 days only. Hot and cold streaks for all 30 teams live on the Stats page.
30-day offense
Full offense tool →| Last 30 days | Athletics | Red Sox |
|---|---|---|
| OPS | 0.666 (-0.050 vs szn) | 0.808 (+0.084 vs szn) |
| Runs per game | 3.58 (-0.741 vs szn) | 5.92 (+1.437 vs szn) |
| wOBA (model offense input) | 0.296 (-0.021 vs szn) | 0.351 (+0.032 vs szn) |
| K% (lower is better) | 22.8% | 21.4% |
Over the last 30 days the Red Sox have been the better offense, 0.351 wOBA to 0.296. They are running hot against their own season line (+0.032 wOBA).
Season profile
Full Stats page →| Metric | Athletics | Red Sox |
|---|---|---|
| Record | 46-71 | 64-52 |
| Run differential / game (team quality) | -1.41 | +0.73 |
| Runs scored / game (offense, season) | 4.32 | 4.48 |
| Runs allowed / game (defense, season, lower better) | 5.74 | 3.75 |
| Season OPS | 0.716 | 0.724 |
| K% season (lower is better) | 22.8% | 21.9% |
| OPS vs opposing hand (season) | 0.709 | 0.706 |
Season-long team quality, not recent form. Run differential and run environment come from the season standings; splits for all 30 teams live on the Stats page, including the run environment table.
The Map
Full interactive map →Every team on today's slate, on any two axes you pick. Athletics and Red Sox are highlighted.
Bullpen matchup
Full Bullpen Fatigue Index →Risk is what the model actually uses: fatigue blended with how well the pen has pitched. High fatigue with high efficiency is a tired pen that is still getting outs.
| Metric | Athletics | Red Sox |
|---|---|---|
| Fatigue | 6.3/10, Tired | 8.6/10, High risk |
| Efficiency | 2.9/10, Struggling | 6.6/10, Effective |
| Combined risk | 7.4/10, Tired | 7.8/10, Tired |
| Relief innings, last 7 days | 22.0 | 27.0 |
| Back-to-back arms | 4 | 7 |
| 7-day ERA | 6.55 | 2.33 |
| 7-day WHIP | 1.77 | 0.96 |
Fatigue measures workload. Efficiency measures recent run prevention. Combined risk is what the moneyline and totals systems use.
Run total projection
Full Totals Projections →The model and market are close. Team totals remain research-only until their graded sample is established.
More games today
All matchups →Every LyDia pick, graded in public
Free daily model card by email, or open today's full slate. Membership adds delivery before first pitch.
Model outputs are not guarantees. LyDia provides analysis and education only. Every official pick remains visible on the Results page. 21+. If you or someone you know has a gambling problem, call 1-800-GAMBLER.