MLB matchup analysis

White Sox vs Royals Prediction, Odds and Model Pick

Thursday, September 24, 2026 at Kauffman Stadium · 2:10 PM ET

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Pass

Leo decision: Pass on White Sox vs Royals

Lab Rating
4.0/10
Model lean
Royals 66.5%
Market probability
Not available
Model edge
Not available
Best moneyline
Not available
Sportsbooks checked
0

The case for Kansas City Royals

Starting pitcher edge: 8 points
Leo gives Randy Dobnak a 8-point edge over David Sandlin, driven mainly by ERA (3.51 vs 5.58) and HR/9 (0.85 vs 1.56).
Late-inning bullpen advantage
Chicago White Sox relievers have a 5.40 ERA over the last 7 days; Kansas City Royals relievers have a 6.04. If this is still close after six innings, that gap favors Kansas City Royals.

The case for Chicago White Sox

Team strength favors Chicago White Sox
Before any pitcher or bullpen adjustment, Leo's own team-strength model has Chicago White Sox ahead (50.5% to 39.6%). The pick still comes from Kansas City Royals once the pitcher and bullpen terms are applied.

Why it is not official

Setup quality below the bar
Lab Rating is 4.0/10, under the 7.2/10 required for an official pick.
Own bullpen carries risk: 7.3/10
The Kansas City Royals bullpen comes in tired. A lead after six innings is less safe than usual.
Cold stretch at the plate
Kansas City Royals is -0.011 wOBA below its own season form.

Why the setup score is what it is

Conviction: 5.73/10
Leo's win probability for Kansas City Royals (66.5%) is well clear of a coin flip -- this is a real, stated lean, not a guess.
Pitching plan: 14.67/40
Randy Dobnak rates 61 on Leo'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.
Offense: 19.35/50
Kansas City Royals's recent form does not clearly outpace Chicago White Sox's.

Why the price is what it is

Team strength: 39.6%
Before any pitcher or bullpen adjustment, Leo's team-strength model alone makes Kansas City Royals 39.6% to win. Everything below moves the price from this starting point.
Pitcher score gap: 13 points
The pitcher-score gap favors Kansas City Royals by 13 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: +0.054
The bullpen-fatigue gap between the two pens nudges the price toward Kansas City Royals. This moves the price less than the starting pitchers do, since a starter covers more of the game than the bullpen.
Net effect: 39.6% -> 66.5%
Team strength alone had Kansas City Royals at 39.6%. After the pitcher and bullpen terms, the price is 66.5% -- the same number shown as Model Lean above.
The verdict Leo passes. No market data available, so this stays research-only until pricing is checked.
Read the full model output

No market data available, so this stays research-only until pricing is checked.

Final result

White Sox 9, Royals 1

How the analysis held up

Chicago White Sox won. Leo's model favored the other side.

Randy Dobnak (Kansas City Royals) was Leo's favored starter by pitcher score, but David Sandlin actually pitched better tonight: 6.0 IP, 1 ER (1.50 ERA) against 1.1 IP, 4 ER (27.00 ERA). The edge did not show up in this game.

The Chicago White Sox bullpen was flagged as elevated risk pregame (High risk). In relief it actually allowed 0 earned runs over 3.0 innings (0.00 ERA) — the risk read did not show up on the scoreboard tonight.

The Kansas City Royals bullpen was flagged as elevated risk pregame (Tired). In relief it actually allowed 3 earned runs over 7.2 innings (3.52 ERA) — the risk read did not show up on the scoreboard tonight. Note: 2 of the runs charged to the Kansas City Royals pitching staff overall were unearned — not something the bullpen's stuff should be blamed for.

Likely driver: Randy Dobnak, the pick's own starter, was rocked for a 27.00 ERA, and the Chicago White Sox bullpen quietly shut the game down (0.00 ERA over 3.0 innings).

Game information

MatchupChicago White Sox at Kansas City Royals
DateThursday, September 24, 2026
First pitch2:10 PM ET
VenueKauffman Stadium
Starting pitchersDavid Sandlin vs Randy Dobnak
WeatherGame-time forecast: 71°F, 1% precipitation chance, 11 mph wind from E.

Starting pitcher matchup

Full Pitcher Matchup Tool →
David SandlinWhite Sox · RHP
vs
Randy DobnakRoyals · RHP
MetricWhite SoxRoyals
Pitching planTraditional starterTraditional starter
Expected innings5⅓5
ThrowsRR
Leo pitcher score (higher is better)5361
ERA (lower is better)5.583.51
WHIP (lower is better)1.211.40
K/9 (higher is better)8.95.9
K-BB% (higher is better)16.2%7.2%
K% (higher is better)24.0%15.3%
BB% (lower is better)7.8%8.1%
BB/9 (lower is better)2.93.1
HR/9 (lower is better)1.60.8
Ground-ball rate57.1%57.9%
Fly-ball rate42.9%42.1%

Pitcher edge: Leo gives Randy Dobnak a 8-point edge over David Sandlin, driven mainly by ERA (3.51 vs 5.58) and HR/9 (0.85 vs 1.56).

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

Strikeout Projections Full strikeout projections →

David Sandlin strikeouts
5.0 Leo projected Ks
No K play · +0.5K difference is below Leo's 0.7K threshold
Market 4.5K · O -135 / U +140 · 3 books
Randy Dobnak strikeouts
4.2 Leo projected Ks
No strikeout line posted when this page was generated

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

White Sox are 5-5 in their last 10 and averaging 4.9 runs per game over the last 15 days; Royals are 2-8 in their last 10 and averaging 3.7 runs per game over the last 15 days. On the season White Sox carry the better run differential per game (+0.33 against -0.70).

MetricWhite SoxRoyals
Last 105-52-8
Last 10 by venue (away team on the road, home team at home)4-6 on the road4-6 at home
OPS, last 15 days0.7180.686
wOBA, last 15 days (hot/cold read)0.3240.304
Runs per game, last 15 days4.93.7
K% last 15 days (lower is better)27.2%24.3%

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 daysWhite SoxRoyals
OPS0.7210.713
Runs per game5.00 (+0.220 vs szn)4.19 (-0.048 vs szn)
wOBA (model offense input)0.3240.315
K% (lower is better)25.3% (+1.1% vs szn)21.1%

Over the last 30 days the White Sox have been the better offense, 0.324 wOBA to 0.315. White Sox are striking out at 25.3% over the window — something the opposing starter can lean on.

Season profile

Full Stats page →
MetricWhite SoxRoyals
Record81-7768-90
Run differential / game (team quality)+0.33-0.70
Runs scored / game (offense, season)4.784.23
Runs allowed / game (defense, season, lower better)4.454.94
Season OPS0.7250.716
K% season (lower is better)24.2%21.0%
OPS vs opposing hand (season)0.7140.724

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. White Sox and Royals are highlighted.

White Sox
Combined risk
9.1 High risk
Fatigue
8.4 High risk
Efficiency
3.7 Below average
Royals
Combined risk
7.3 Tired
Fatigue
6.6 Tired
Efficiency
3.7 Below 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.

MetricWhite SoxRoyals
Fatigue8.4/10, High risk6.6/10, Tired
Efficiency3.7/10, Below average3.7/10, Below average
Combined risk9.1/10, High risk7.3/10, Tired
Relief innings, last 7 days30.022.3
Back-to-back arms35
7-day ERA5.406.04
7-day WHIP1.701.43

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
8.2
Market total
12.5
Projected away runs
4.7
Projected home runs
3.8
Over price
-111
Under price
+100
Chicago White Sox team total
4.7 projected
Line 9.5 · O -125 / U +100
Under research lean (-4.8)
Kansas City Royals team total
3.8 projected
Line 3.5 · O +120 / U -143
No team-total lean

The model projects 4.3 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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