MLB matchup analysis

Cubs vs Brewers Prediction, Odds and Model Pick

Wednesday, September 9, 2026 at American Family Field · 7:40 PM ET

Watchlist

LyDia prediction: Milwaukee Brewers moneyline

Lab Rating
6.6/10
Model lean
Brewers 72.9%
Market probability
54.2%
Model edge
+18.7%
Best moneyline
-125
Sportsbooks checked
9
LyDia model
72.9%
Market
54.2%

The case for Milwaukee Brewers

Starting pitcher edge: 19 points
LyDia gives Logan Henderson a 19-point edge over Kevin Gausman, driven mainly by WHIP (0.79 vs 1.26) and K-BB% (25.5% vs 17.7%).
Bats are hot: +0.019 wOBA
Milwaukee Brewers is outhitting its own season form over the last 15 days. Recent form is context, not a model input, but it points the same way here.

The case for Chicago Cubs

Late-inning bullpen advantage
Milwaukee Brewers relievers have a 3.90 ERA over the last 7 days; Chicago Cubs relievers have a 3.70. Milwaukee Brewers also have 8 arms pitching on back-to-back days, against 4 for Chicago Cubs. If this is still close after six innings, that gap favors Chicago Cubs.
Their bats are hot: +0.022 wOBA
Chicago Cubs is outhitting its own season form over the last 15 days.

Why it is not official

Setup quality below the bar
Lab Rating is 6.6/10, under the 7.2/10 required for an official pick.
Own bullpen carries risk: 9.9/10
The Milwaukee Brewers bullpen comes in high risk. A lead after six innings is less safe than usual.
Opponent is swinging it
The other lineup is +0.022 wOBA above its season form over the last 15 days.

Why the setup score is what it is

Conviction: 8.95/10
LyDia's win probability for Milwaukee Brewers (72.9%) is well clear of a coin flip -- this is a real, stated lean, not a guess.
Pitching plan: 40/40
Logan Henderson rates 83 on LyDia's pitcher score, judged on its own merits (50-80 is the credited range). That is a strong start on its own, and it earns most or all of the available credit here.
Offense: 17.12/50
Milwaukee Brewers's recent form does not clearly outpace Chicago Cubs's.

Why the price is what it is

Team strength: 59.5%
Before any pitcher or bullpen adjustment, LyDia's team-strength model alone makes Milwaukee Brewers 59.5% to win. Everything below moves the price from this starting point.
Pitcher score gap: 19 points
The pitcher-score gap favors Milwaukee Brewers by 19 points. This is the biggest single mover of the price -- a large gap moves it a lot, a small gap barely moves it.
Bullpen adjustment: -0.108
The bullpen-fatigue gap between the two pens nudges the price toward Chicago Cubs. This moves the price less than the starting pitchers do, since a starter covers more of the game than the bullpen.
Net effect: 59.5% -> 72.9%
Team strength alone had Milwaukee Brewers at 59.5%. After the pitcher and bullpen terms, the price is 72.9% -- the same number shown as Model Lean above.
The verdict Worth monitoring, nothing more. The setup has pieces but does not add up to a bet at today's price.
Read the full model output

Milwaukee Brewers remains on the watchlist. Lab Rating 6.6/10: conviction 8.95, pitching plan 40, offense 17.12. LyDia projects 72.9% against a 54.2% no-vig market number, a 18.7% model edge at -125. Milwaukee Brewers owns the starting pitcher edge by 19 points. Bullpen read: Adds caution. Milwaukee Brewers's pen efficiency: Average (5.1/10). Lineup check: Milwaukee Brewers is a touch above its season form (+0.047 OPS); Chicago Cubs is swinging a hot bat (+0.056 OPS).

Game information

MatchupChicago Cubs at Milwaukee Brewers
DateWednesday, September 9, 2026
First pitch7:40 PM ET
VenueAmerican Family Field
Starting pitchersKevin Gausman vs Logan Henderson
WeatherGame-time forecast: 78°F, 0% precipitation chance, 7 mph wind from SW. This venue has a roof, but the roof status is not confirmed.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Kevin GausmanCubs · RHP
vs
Logan HendersonBrewers · RHP
MetricCubsBrewers
Pitching planTraditional starterTraditional starter
Expected innings5⅔5⅔
ThrowsRR
LyDia pitcher score (higher is better)6483
ERA (lower is better)4.382.48
WHIP (lower is better)1.260.79
K/9 (higher is better)9.110.0
K-BB% (higher is better)17.7%25.5%
K% (higher is better)24.2%30.0%
BB% (lower is better)6.4%4.5%
BB/9 (lower is better)2.41.5
HR/9 (lower is better)1.21.3
Ground-ball rate45.7%34.0%
Fly-ball rate54.3%66.0%

Pitcher edge: LyDia gives Logan Henderson a 19-point edge over Kevin Gausman, driven mainly by WHIP (0.79 vs 1.26) and K-BB% (25.5% vs 17.7%).

How to read this: the scorecards above name the starters; every number lives in this table.

Strikeout Projections Full strikeout projections →

Kevin Gausman strikeouts
6.2 LyDia projected Ks
No K play · +0.7K difference is below LyDia's 0.7K threshold
Market 5.5K · O +112 / U -111 · 5 books
Logan Henderson strikeouts
5.6 LyDia projected Ks
Qualifying projection: UNDER 6.5K · -0.9K difference
Market 6.5K · O +135 / U -170 · 5 books

Same data source as the Pitcher Matchup Tool, where every starter on the slate is compared side by side.

Cubs are 4-6 in their last 10 and averaging 5.9 runs per game over the last 15 days; Brewers are 5-5 in their last 10 and averaging 5.6 runs per game over the last 15 days. Season run differential separates them by almost nothing (+0.89 against +1.16).

MetricCubsBrewers
Last 104-65-5
Last 10 by venue (away team on the road, home team at home)4-6 on the road7-3 at home
OPS, last 15 days0.8250.786
wOBA, last 15 days (hot/cold read)0.3600.346
Runs per game, last 15 days5.95.6
K% last 15 days (lower is better)18.4%22.0%

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 daysCubsBrewers
OPS0.829 (+0.060 vs szn)0.758 (+0.019 vs szn)
Runs per game5.93 (+0.625 vs szn)5.32 (+0.294 vs szn)
wOBA (model offense input)0.360 (+0.021 vs szn)0.336 (+0.009 vs szn)
K% (lower is better)19.8% (-1.6% vs szn)22.4% (+0.8% vs szn)

Over the last 30 days the Cubs have been the better offense, 0.360 wOBA to 0.336. They are running hot against their own season line (+0.021 wOBA).

Season profile

Full Stats page →
MetricCubsBrewers
Record81-6590-56
Run differential / game (team quality)+0.89+1.16
Runs scored / game (offense, season)5.305.03
Runs allowed / game (defense, season, lower better)4.413.86
Season OPS0.7690.739
K% season (lower is better)21.4%21.6%
OPS vs opposing hand (season)0.7550.755

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.

Every team on today's slate, on any two axes you pick. Cubs and Brewers are highlighted.

Cubs
Combined risk
6.3 Tired
Fatigue
6.3 Tired
Efficiency
5.1 Average
Brewers
Combined risk
9.9 High risk
Fatigue
9.9 High risk
Efficiency
5.1 Average

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.

MetricCubsBrewers
Fatigue6.3/10, Tired9.9/10, High risk
Efficiency5.1/10, Average5.1/10, Average
Combined risk6.3/10, Tired9.9/10, High risk
Relief innings, last 7 days24.327.7
Back-to-back arms48
7-day ERA3.703.90
7-day WHIP1.441.37

Fatigue measures workload. Efficiency measures recent run prevention. Combined risk is what the moneyline and totals systems use.

Run total projection

Full Totals Projections →
LyDia projection
6.6
Market total
7.5
Projected away runs
3.4
Projected home runs
3.5
Over price
-107
Under price
-107
Chicago Cubs team total
3.4 projected
Line 3.5 · O -108 / U -115
No team-total lean
Milwaukee Brewers team total
3.5 projected
Line 3.5 · O -124 / U +105
No team-total lean

The model projects 0.9 runs below the market total. A research lean still requires a setup rating of at least 7.0/10. Team totals remain research-only until their graded sample is established.

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