MLB matchup analysis

Reds vs Cubs Prediction, Odds and Model Pick

Friday, August 28, 2026 at Wrigley Field · 2:20 PM ET

Pass

LyDia decision: Pass on Reds vs Cubs

Lab Rating
4.5/10
Model lean
Cubs 52.1%
Market probability
63.7%
Model edge
-11.5%
Best moneyline
-186
Sportsbooks checked
9
LyDia model
52.1%
Market
63.7%

The case for Chicago Cubs

Why LyDia leans Chicago Cubs
LyDia's model makes Chicago Cubs 52.1% to win. No single factor dominates — the bullpen tilt the same way, enough to lean Chicago Cubs even though it does not clear the bar for a high-confidence pick.

The case for Cincinnati Reds

The case is thin
The model finds little going Cincinnati Reds's way — it trails on the pitching plan, bullpen, and recent form. The main path to a Cincinnati Reds win is variance.

Why it is not official

Below the 61.0% official gate
Win probability is 52.1%. LyDia does not make a game official below 61.0%, no matter how good the price is. This is a value spot, not a high-confidence winner.
Setup quality below the bar
Lab Rating is 4.5/10, under the 7.2/10 required for an official pick.
Cold stretch at the plate
Chicago Cubs is -0.009 wOBA below its own season form.

Why the setup score is what it is

Conviction: 0/10
LyDia's own win probability for Chicago Cubs (52.1%) is close enough to a coin flip that the rating credits little or no conviction -- credit only starts above 55%.
Pitching plan: 1/30
David Peterson rates 51 on LyDia's pitcher score, judged on its own merits (50-80 is the credited range). Average or below by that measure, so it earns little or none of the available credit here -- independent of who the opponent is throwing.
Bullpen: 5.98/10
Chicago Cubs's bullpen carries a real edge over Cincinnati Reds's tonight.
Offense: 37.79/50
Chicago Cubs's recent offensive form clearly outpaces Cincinnati Reds's over the tracked windows.

Why the price is what it is

Team strength: 53.6%
Before any pitcher or bullpen adjustment, LyDia's team-strength model alone makes Chicago Cubs 53.6% to win. Everything below moves the price from this starting point.
Pitcher score gap: 0 points
The two starters grade essentially even on pitcher score -- this term does little to move the price either way.
Bullpen adjustment: +0.027
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: 53.6% -> 52.1%
Team strength alone had Chicago Cubs at 53.6%. After the pitcher and bullpen terms, the price is 52.1% -- the same number shown as Model Lean above.
The verdict LyDia passes. The combined Lab Rating did not clear the official threshold.
Read the full model output

The combined Lab Rating did not clear the official threshold.

Final result

Reds 10, Cubs 8

How the analysis held up

Cincinnati Reds won. LyDia's model favored the other side.

Rhett Lowder (No clear pitching-plan edge) was LyDia's favored starter by pitcher score, but David Peterson actually pitched better tonight: 5.0 IP, 2 ER (3.60 ERA) against 5.0 IP, 3 ER (5.40 ERA). The edge did not show up in this game.

The Cincinnati Reds bullpen was not flagged pregame, but it had a night worth noting: 5 earned runs allowed over 4.0 relief innings (11.25 ERA) — quietly worse than the pregame read implied.

The Chicago Cubs bullpen was not flagged pregame, but it had a night worth noting: 6 earned runs allowed over 4.0 relief innings (13.50 ERA) — quietly worse than the pregame read implied. Note: 2 of the runs charged to the Chicago Cubs pitching staff overall were unearned — not something the bullpen's stuff should be blamed for.

Cincinnati Reds scored 10, 7.1 more than the 2.9 pregame projection.

Chicago Cubs scored 8, 3.8 more than the 4.2 pregame projection.

Likely driver: the Chicago Cubs bullpen allowed 6 earned runs over 4.0 relief innings (13.50 ERA), which was not flagged pregame but showed up anyway, and Cincinnati Reds's offense scored 7.1 more runs than projected.

Game information

MatchupCincinnati Reds at Chicago Cubs
DateFriday, August 28, 2026
First pitch2:20 PM ET
VenueWrigley Field
Starting pitchersRhett Lowder vs David Peterson
WeatherGame-time forecast: 76°F, 0% precipitation chance, 9 mph wind from E.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Rhett LowderReds · RHP
vs
David PetersonCubs · LHP
MetricRedsCubs
Pitching planTraditional starterTraditional starter
Expected innings55
ThrowsRL
LyDia pitcher score (higher is better)5251
ERA (lower is better)5.145.11
WHIP (lower is better)1.461.52
K/9 (higher is better)7.18.0
K-BB% (higher is better)9.0%10.3%
K% (higher is better)17.6%19.6%
BB% (lower is better)8.6%9.4%
BB/9 (lower is better)3.53.8
HR/9 (lower is better)1.30.9
Ground-ball rate46.7%60.2%
Fly-ball rate53.3%39.8%

Pitcher edge: LyDia gives Rhett Lowder a 1-point edge over David Peterson, driven mainly by BB/9 (3.5 vs 3.8) and WHIP (1.46 vs 1.52).

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

Strikeout Projections Full strikeout projections →

Rhett Lowder strikeouts
3.5 LyDia projected Ks
No K play · +0.0K difference is below LyDia's 0.7K threshold
Market 3.5K · O -140 / U +116 · 4 books
David Peterson strikeouts
5.7 LyDia projected Ks
Official pick: OVER 4.5K · +1.1K difference
Market 4.5K · O -156 / U +122 · 4 books

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

Neither side is playing well. Reds are 4-6 in their last 10 and averaging 4.1 runs per game over the last 15 days; Cubs are 4-6 in their last 10 and averaging 4.7 runs per game over the last 15 days. On the season Cubs carry the better run differential per game (+0.87 against -0.73).

MetricRedsCubs
Last 104-64-6
Last 10 by venue (away team on the road, home team at home)5-5 on the road6-4 at home
OPS, last 15 days0.6760.748
wOBA, last 15 days (hot/cold read)0.3010.326
Runs per game, last 15 days4.14.7
K% last 15 days (lower is better)24.2%21.3%

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 daysRedsCubs
OPS0.688 (-0.013 vs szn)0.775 (+0.014 vs szn)
Runs per game4.10 (-0.030 vs szn)5.18 (-0.029 vs szn)
wOBA (model offense input)0.3050.338
K% (lower is better)26.5% (+1.3% vs szn)21.3%

Over the last 30 days the Cubs have been the better offense, 0.338 wOBA to 0.305. Reds are striking out at 26.5% over the window — something the opposing starter can lean on.

Season profile

Full Stats page →
MetricRedsCubs
Record63-7176-58
Run differential / game (team quality)-0.73+0.87
Runs scored / game (offense, season)4.135.21
Runs allowed / game (defense, season, lower better)4.864.34
Season OPS0.6980.760
K% season (lower is better)25.3%21.7%
OPS vs opposing hand (season)0.7310.745

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. Reds and Cubs are highlighted.

Reds
Combined risk
6.1 Normal
Fatigue
6.0 Normal
Efficiency
4.9 Average
Cubs
Combined risk
5.2 Normal
Fatigue
5.2 Normal
Efficiency
5.0 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.

MetricRedsCubs
Fatigue6.0/10, Normal5.2/10, Normal
Efficiency4.9/10, Average5.0/10, Average
Combined risk6.1/10, Normal5.2/10, Normal
Relief innings, last 7 days21.321.0
Back-to-back arms64
7-day ERA4.224.29
7-day WHIP1.361.29

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
8.9
Market total
8.5
Projected away runs
3.1
Projected home runs
5.1
Over price
-118
Under price
+103
Cincinnati Reds team total
3.1 projected
Line 3.5 · O +100 / U -122
No team-total lean
Chicago Cubs team total
5.1 projected
Line 4.5 · O -106 / U -114
No team-total lean

The model and market are close. Team totals remain research-only until their graded sample is established.

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