Padres vs Rockies Prediction, September 17, 2026 | Padres moneyline
Michael King vs Tanner Gordon at Coors Field
Published September 17, 2026 · MLB Prediction Data Lab
The moneyline on Padres at -195 is a run-prevention bet first. Michael King projects 3.36 earned runs allowed across a 5.83-inning start plus relief; Tanner Gordon projects 6.00. The side that prevents more does not have to outslug anyone.
This is the largest stake on today's card. The other unders the same night load on the same run-environment factor; size the card as one bet, not seven independent shots. Full board: MLB picks today.
The listed matchup
San Diego Padres (83–69) at Colorado Rockies (56–96), Coors Field, Denver. Michael King, a right-hander, is listed for the visitors. Tanner Gordon, a right-hander, is listed for the home club. Void the play if either listed starter is scratched. First-pitch weather listed 77°F, Partly Cloudy, wind 5 mph, Out To LF.
| Side | Listed starter | Record | Park |
|---|---|---|---|
| Padres | Michael King | 83–69 | Coors Field |
| Rockies | Tanner Gordon | 56–96 | Open, grass |
The two starters, measured per batter faced
Rate statistics expressed per nine innings reward pitchers who work deep. Expressing them as a share of batters faced removes that distortion. Michael King has faced 711 hitters. Tanner Gordon has faced 428.
| Starter | BF | K% | BB% | K−BB | K/BB | Pitches/BF |
|---|---|---|---|---|---|---|
| Michael King | 711 | 20.8 | 9.3 | 11.5 | 2.24 | 3.93 |
| Tanner Gordon | 428 | 18.9 | 4.2 | 14.7 | 4.50 | 3.53 |
| Starter | W-L | ERA | IP | WHIP | K/9 | BB/9 | HR/9 | Opp AVG |
|---|---|---|---|---|---|---|---|---|
| Michael King (R) | 11-9 | 3.03 | 175.0 | 1.15 | 7.61 | 3.39 | 1.03 | .215 |
| Tanner Gordon (R) | 1-4 | 5.55 | 97.1 | 1.48 | 7.49 | 1.66 | 1.66 | .313 |
Michael King sits at a 3.03 ERA with a 1.15 WHIP and 66 walks in 175.0 innings. Tanner Gordon sits at a 5.55 ERA with a 1.48 WHIP and 18 walks in 97.1 innings. Walks stabilize faster than earned runs, so the walk column is the more trustworthy August reading.
Direction inside the season
Season aggregates hide the last month. These are the prior starts, excluding today's outing so the table does not leak a result into a published prediction.
| Michael King — last starts | IP | ER | K | BB | H | HR | Pitches |
|---|---|---|---|---|---|---|---|
| 2026-08-19 | 6.2 | 2 | 4 | 2 | 4 | 1 | 100 |
| 2026-08-25 | 7.0 | 0 | 7 | 2 | 5 | — | 98 |
| 2026-08-31 | 6.0 | 0 | 6 | 3 | 4 | — | 96 |
| 2026-09-06 | 6.0 | 0 | 3 | 3 | 4 | — | 96 |
| 2026-09-12 | 7.0 | 3 | 4 | — | 5 | 2 | 96 |
| Tanner Gordon — last starts | IP | ER | K | BB | H | HR | Pitches |
|---|---|---|---|---|---|---|---|
| 2026-08-21 | 5.1 | 5 | 2 | 2 | 9 | 1 | 82 |
| 2026-08-26 | 7.0 | 1 | 5 | — | 6 | 1 | 90 |
| 2026-08-31 | 5.0 | 1 | 3 | 1 | 3 | — | 60 |
| 2026-09-06 | 4.2 | 5 | 4 | 1 | 8 | — | 80 |
| 2026-09-12 | 4.0 | 4 | 5 | 1 | 10 | 1 | 87 |
The run environment, before the starters
Padres have scored 659 runs in 152 games (4.34 per game) with a .711 OPS. Rockies have scored 715 in 152 (4.70) with a .742 OPS. The pitching staffs have allowed 4.18 and 5.82 runs per game.
| Club | Record | R/G | OPS | Staff ERA | Staff WHIP | RA/G |
|---|---|---|---|---|---|---|
| Padres | 83–69 | 4.34 | .711 | 3.96 | 1.29 | 4.18 |
| Rockies | 56–96 | 4.70 | .742 | 5.59 | 1.53 | 5.82 |
Reassembling the buckets
Michael King averages 5.83 innings per start. Tanner Gordon averages 9.73. Weight each starter's own earned run average across that length, then hand the remainder of the nine innings to his club's season staff rate. That is a conservative relief proxy — it mixes rotation and bullpen — and it is stated as a limitation, not hidden.
| Side | Starter IP | Starter ERA | Relief IP | Staff ERA | Projected ER |
|---|---|---|---|---|---|
| Padres (Michael King) | 5.83 | 3.03 | 3.17 | 3.96 | 3.36 |
| Rockies (Tanner Gordon) | 9.73 | 5.55 | 0.00 | 5.59 | 6.00 |
| Combined | 9.36 |
A combined 9.36 projected earned runs. Unearned runs are ignored. Neither starter hits his average length every night. The opposing lineups are not in the formula; they sit in the table above.
The park
Coors Field is listed at 347 feet to left, 420 feet to left center, 415 feet to center, 424 feet to right center, 350 feet to right, on grass, open at 5190 feet above sea level with a listed capacity of 50,480. Park dimensions do not decide a total by themselves. They decide whether a walk plus a ball in the air becomes two runs or a long out.
Where this reading is weakest
Moneyline edges this thin die when the length assumption fails. If the better starter is out in the fourth, the staff rate takes over and the partition no longer applies.
What would falsify it
A short outing from the starter on the backed side, or a crooked inning against the relief bucket that the partition treats as average, is the miss. The model is only as good as the length assumption of 5.83 and 9.73 innings.
The position
San Diego Padres ML at -195, 2 units. A price of -195 implies a 66.1% break-even. Grade it against this published number. If a listed starter is scratched, the play is void.
- San Diego Padres ML -195 · 2u
Who is on the mound?
Michael King for Padres. Tanner Gordon for Rockies. Those names come from the MLB probable-pitcher feed, not from a guessed rotation.
Why use batters-faced rates instead of ERA?
Earned run average is a counting result. Strikeout and walk rates as a share of batters faced describe the process that produced it, and they stabilize on a smaller sample. Michael King at 11.5 points of K−BB separation versus Tanner Gordon at 14.7 is the comparison ERA hides.
How is the pick graded?
Against the published price, on the public record. Pending is not a win. Today's full card lives at a stable URL: mlb-picks.html.
Pick, odds, and unit size come from the BetLegend daily tracker. Probable starters, season rates, and venue facts are from the MLB Stats API. Educational analysis. 18+ only. 1-800-GAMBLER.