MLB matchup analysis

Guardians vs Orioles Prediction, Odds and Model Pick

Monday, September 7, 2026 at Oriole Park at Camden Yards · 1:35 PM ET

Pass

Leo decision: Pass on Guardians vs Orioles

Lab Rating
4.5/10
Model lean
Orioles 58.5%
Market probability
53.2%
Model edge
+5.4%
Best moneyline
-115
Sportsbooks checked
5
Leo model
58.5%
Market
53.2%

The case for Baltimore Orioles

Starting pitcher edge: 8 points
Leo gives Trevor Rogers a 8-point edge over Joey Cantillo, driven mainly by BB/9 (2.2 vs 4.8) and WHIP (1.21 vs 1.51).

The case for Cleveland Guardians

Team strength favors Cleveland Guardians
Before any pitcher or bullpen adjustment, Leo's own team-strength model has Cleveland Guardians ahead (50.9% to 44.9%). The pick still comes from Baltimore Orioles once the pitcher and bullpen terms are applied.

Why it is not official

Below the 61.0% official gate
Win probability is 58.5%. Leo 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.
Own bullpen carries risk: 6.1/10
The Baltimore Orioles bullpen comes in normal. A lead after six innings is less safe than usual.

Why the setup score is what it is

Conviction: 1.77/10
Leo leans toward Baltimore Orioles, but not strongly enough to earn full conviction credit.
Pitching plan: 20/40
Trevor Rogers rates 66 on Leo'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: 23.71/50
Baltimore Orioles's recent form does not clearly outpace Cleveland Guardians's.

Why the price is what it is

Team strength: 44.9%
Before any pitcher or bullpen adjustment, Leo's team-strength model alone makes Baltimore Orioles 44.9% to win. Everything below moves the price from this starting point.
Pitcher score gap: 6 points
The pitcher-score gap favors Baltimore Orioles by 6 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: +0.015
The bullpen-fatigue gap between the two pens nudges the price toward Baltimore Orioles. This moves the price less than the starting pitchers do, since a starter covers more of the game than the bullpen.
Net effect: 44.9% -> 58.5%
Team strength alone had Baltimore Orioles at 44.9%. After the pitcher and bullpen terms, the price is 58.5% -- the same number shown as Model Lean above.
The verdict Leo 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

Guardians 4, Orioles 6

How the analysis held up

Baltimore Orioles won, the side Leo's model favored.

Trevor Rogers (Baltimore Orioles), the starter Leo's pitcher score favored, actually outpitched Joey Cantillo: 7.1 IP, 1 ER (1.23 ERA) against 2.1 IP, 4 ER (15.43 ERA). The edge held up.

The Baltimore Orioles bullpen was not flagged pregame, but it had a night worth noting: 3 earned runs allowed over 1.2 relief innings (16.20 ERA) — quietly worse than the pregame read implied.

Game information

MatchupCleveland Guardians at Baltimore Orioles
DateMonday, September 7, 2026
First pitch1:35 PM ET
VenueOriole Park at Camden Yards
Starting pitchersJoey Cantillo vs Trevor Rogers
WeatherGame-time forecast: 73°F, 0% precipitation chance, 3 mph wind from E.

Starting pitcher matchup

Full Pitcher Matchup Tool →
Joey CantilloGuardians · LHP
vs
Trevor RogersOrioles · LHP
MetricGuardiansOrioles
Pitching planTraditional starterTraditional starter
Expected innings4⅔5⅔
ThrowsLL
Leo pitcher score (higher is better)5866
ERA (lower is better)4.004.15
WHIP (lower is better)1.511.21
K/9 (higher is better)9.68.2
K-BB% (higher is better)12.1%16.1%
K% (higher is better)24.3%21.9%
BB% (lower is better)12.1%5.9%
BB/9 (lower is better)4.82.2
HR/9 (lower is better)1.10.9
Ground-ball rate47.3%41.1%
Fly-ball rate52.7%58.9%

Pitcher edge: Leo gives Trevor Rogers a 8-point edge over Joey Cantillo, driven mainly by BB/9 (2.2 vs 4.8) and WHIP (1.21 vs 1.51).

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

Strikeout Projections Full strikeout projections →

Joey Cantillo strikeouts
6.5 Leo projected Ks
No strikeout line posted when this page was generated
Trevor Rogers strikeouts
4.2 Leo projected Ks
No K play · -0.3K difference is below Leo's 0.7K threshold
Market 4.5K · O -125 / U -110 · 1 book

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

Guardians are 5-5 in their last 10 and averaging 4.0 runs per game over the last 15 days; Orioles are 4-6 in their last 10 and averaging 4.1 runs per game over the last 15 days. Season run differential separates them by almost nothing (-0.11 against -0.19).

MetricGuardiansOrioles
Last 105-54-6
Last 10 by venue (away team on the road, home team at home)7-3 on the road3-7 at home
OPS, last 15 days0.6910.661
wOBA, last 15 days (hot/cold read)0.3050.293
Runs per game, last 15 days4.04.1
K% last 15 days (lower is better)18.9%25.7%

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 daysGuardiansOrioles
OPS0.696 (+0.012 vs szn)0.713
Runs per game4.18 (+0.151 vs szn)4.48 (+0.021 vs szn)
wOBA (model offense input)0.3080.313
K% (lower is better)17.5% (-3.7% vs szn)25.3% (+0.8% vs szn)

Over the last 30 days the Orioles have been the better offense, 0.313 wOBA to 0.308. Orioles are striking out at 25.3% over the window — something the opposing starter can lean on.

Season profile

Full Stats page →
MetricGuardiansOrioles
Record73-7169-75
Run differential / game (team quality)-0.11-0.19
Runs scored / game (offense, season)4.034.46
Runs allowed / game (defense, season, lower better)4.144.65
Season OPS0.6830.710
K% season (lower is better)21.3%24.5%
OPS vs opposing hand (season)0.6650.712

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. Guardians and Orioles are highlighted.

Guardians
Combined risk
6.6 Tired
Fatigue
7.4 Tired
Efficiency
6.7 Effective
Orioles
Combined risk
6.1 Normal
Fatigue
6.4 Tired
Efficiency
5.6 Effective

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.

MetricGuardiansOrioles
Fatigue7.4/10, Tired6.4/10, Tired
Efficiency6.7/10, Effective5.6/10, Effective
Combined risk6.6/10, Tired6.1/10, Normal
Relief innings, last 7 days28.324.3
Back-to-back arms66
7-day ERA2.223.33
7-day WHIP0.991.27

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

Run total projection

Full Totals Projections →
Leo projection
8.5
Market total
8.5
Projected away runs
2.8
Projected home runs
5.3
Over price
-115
Under price
+100
Cleveland Guardians team total
2.8 projected
Line Not available · O Not available / U Not available
Market line pending
Baltimore Orioles team total
5.3 projected
Line Not available · O Not available / U Not available
Market line pending

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

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