MLB matchup analysis
Blue Jays vs Royals Prediction, Odds and Model Pick
Sunday, September 6, 2026 at Kauffman Stadium · 2:10 PM ET
Leo decision: Pass on Blue Jays vs Royals
The case for Kansas City Royals
The case for Toronto Blue Jays
Why it is not official
Why the setup score is what it is
Why the price is what it is
Read the full model output
The combined Lab Rating did not clear the official threshold.
Final result
Blue Jays 1, Royals 6
How the analysis held up
Kansas City Royals won, the side Leo's model favored.
Leo's two internal reads disagreed pregame by 46 points — the team-strength model favored Kansas City Royals, the run-projection model favored Toronto Blue Jays. The team-strength model had the winner here.
Randy Dobnak (Kansas City Royals), the starter Leo's pitcher score favored, actually outpitched Spencer Arrighetti: 6.0 IP, 1 ER (1.50 ERA) against 4.2 IP, 6 ER (11.57 ERA). The edge held up.
The Toronto Blue Jays bullpen was not flagged pregame, but it had a night worth noting: 0 earned runs allowed over 3.1 relief innings (0.00 ERA) — quietly better than the pregame read implied.
The Kansas City Royals bullpen was not flagged pregame, but it had a night worth noting: 0 earned runs allowed over 3.0 relief innings (0.00 ERA) — quietly better than the pregame read implied.
Toronto Blue Jays scored 1, 3.6 fewer than the 4.6 pregame projection.
Kansas City Royals scored 6, 2.7 more than the 3.3 pregame projection.
Game information
| Matchup | Toronto Blue Jays at Kansas City Royals |
|---|---|
| Date | Sunday, September 6, 2026 |
| First pitch | 2:10 PM ET |
| Venue | Kauffman Stadium |
| Starting pitchers | Spencer Arrighetti vs Randy Dobnak |
| Weather | Game-time forecast: 90°F, 14% precipitation chance, 18 mph wind from E. |
Starting pitcher matchup
Full Pitcher Matchup Tool →| Metric | Blue Jays | Royals |
|---|---|---|
| Pitching plan | Traditional starter | Traditional starter |
| Expected innings | 5 | 5⅓ |
| Throws | R | R |
| Leo pitcher score (higher is better) | 53 | 69 |
| ERA (lower is better) | 5.12 | 2.54 |
| WHIP (lower is better) | 1.37 | 1.32 |
| K/9 (higher is better) | 8.7 | 6.1 |
| K-BB% (higher is better) | 9.2% | 7.5% |
| K% (higher is better) | 21.8% | 16.0% |
| BB% (lower is better) | 12.6% | 8.6% |
| BB/9 (lower is better) | 5.0 | 3.3 |
| HR/9 (lower is better) | 1.5 | 0.8 |
| Ground-ball rate | 40.1% | 60.7% |
| Fly-ball rate | 59.9% | 39.3% |
Pitcher edge: Leo gives Randy Dobnak a 16-point edge over Spencer Arrighetti, driven mainly by ERA (2.54 vs 5.12) and BB/9 (3.3 vs 5.0).
How to read this: the scorecards above name the starters; every number lives in this table.
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 →Blue Jays are 8-2 in their last 10 and averaging 5.0 runs per game over the last 15 days; Royals are 4-6 in their last 10 and averaging 5.0 runs per game over the last 15 days. Season run differential separates them by almost nothing (-0.26 against -0.61).
| Metric | Blue Jays | Royals |
|---|---|---|
| Last 10 | 8-2 | 4-6 |
| Last 10 by venue (away team on the road, home team at home) | 6-4 on the road | 6-4 at home |
| OPS, last 15 days | 0.753 | 0.765 |
| wOBA, last 15 days (hot/cold read) | 0.333 | 0.335 |
| Runs per game, last 15 days | 5.0 | 5.0 |
| K% last 15 days (lower is better) | 15.7% | 19.0% |
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 days | Blue Jays | Royals |
|---|---|---|
| OPS | 0.741 (+0.050 vs szn) | 0.761 (+0.042 vs szn) |
| Runs per game | 4.61 (+0.579 vs szn) | 4.89 (+0.608 vs szn) |
| wOBA (model offense input) | 0.326 (+0.021 vs szn) | 0.334 (+0.017 vs szn) |
| K% (lower is better) | 18.1% (-1.1% vs szn) | 19.0% (-1.7% vs szn) |
Over the last 30 days the Royals have been the better offense, 0.334 wOBA to 0.326. They are running hot against their own season line (+0.017 wOBA).
Season profile
Full Stats page →| Metric | Blue Jays | Royals |
|---|---|---|
| Record | 72-71 | 63-80 |
| Run differential / game (team quality) | -0.26 | -0.61 |
| Runs scored / game (offense, season) | 4.03 | 4.28 |
| Runs allowed / game (defense, season, lower better) | 4.29 | 4.90 |
| Season OPS | 0.691 | 0.718 |
| K% season (lower is better) | 19.2% | 20.7% |
| OPS vs opposing hand (season) | 0.707 | 0.723 |
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. Blue Jays and Royals 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 | Blue Jays | Royals |
|---|---|---|
| Fatigue | 7.4/10, Tired | 6.3/10, Tired |
| Efficiency | 6.5/10, Effective | 5.0/10, Average |
| Combined risk | 6.7/10, Tired | 6.3/10, Tired |
| Relief innings, last 7 days | 29.7 | 22.3 |
| Back-to-back arms | 4 | 3 |
| 7-day ERA | 2.43 | 4.03 |
| 7-day WHIP | 0.98 | 1.34 |
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 projects 1.0 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.
More games today
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