Padres vs Rockies Prediction, September 16, 2026 | Padres moneyline
Robbie Ray vs Mason Adams at Coors Field
Published September 16, 2026 · MLB Prediction Data Lab
The moneyline on Padres at -162 is a run-prevention bet first. Robbie Ray projects 3.72 earned runs allowed across a 5.58-inning start plus relief; Mason Adams projects 4.43. The side that prevents more does not have to outslug anyone.
Full slate: MLB picks today, September 16, 2026.
The listed matchup
San Diego Padres (82–69) at Colorado Rockies (56–95), Coors Field, Denver. Robbie Ray, a left-hander, is listed for the visitors. Mason Adams, a right-hander, is listed for the home club. Void the play if either listed starter is scratched. First-pitch weather listed 76°F, Partly Cloudy, wind 10 mph, In From LF.
| Side | Listed starter | Record | Park |
|---|---|---|---|
| Padres | Robbie Ray | 82–69 | Coors Field |
| Rockies | Mason Adams | 56–95 | 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. Robbie Ray has faced 661 hitters. Mason Adams has faced 77.
| Starter | BF | K% | BB% | K−BB | K/BB | Pitches/BF |
|---|---|---|---|---|---|---|
| Robbie Ray | 661 | 20.0 | 12.3 | 7.7 | 1.63 | 4.06 |
| Mason Adams | 77 | 28.6 | 11.7 | 16.9 | 2.44 | 3.95 |
| Starter | W-L | ERA | IP | WHIP | K/9 | BB/9 | HR/9 | Opp AVG |
|---|---|---|---|---|---|---|---|---|
| Robbie Ray (L) | 12-8 | 3.57 | 156.1 | 1.35 | 7.60 | 4.66 | 1.21 | .228 |
| Mason Adams (R) | —-— | 3.38 | 18.2 | 1.45 | 10.61 | 4.34 | 2.41 | .265 |
Robbie Ray sits at a 3.57 ERA with a 1.35 WHIP and 81 walks in 156.1 innings. Mason Adams sits at a 3.38 ERA with a 1.45 WHIP and 9 walks in 18.2 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.
| Robbie Ray — last starts | IP | ER | K | BB | H | HR | Pitches |
|---|---|---|---|---|---|---|---|
| 2026-08-18 | 6.0 | 1 | 4 | 3 | 3 | 1 | 91 |
| 2026-08-24 | 5.1 | 2 | 5 | 2 | 5 | 1 | 99 |
| 2026-08-30 | 6.0 | 1 | 4 | 3 | 3 | 1 | 93 |
| 2026-09-05 | 2.1 | 5 | 1 | 4 | 5 | — | 68 |
| 2026-09-11 | 5.0 | 5 | 5 | 4 | 4 | 1 | 94 |
| Mason Adams — last starts | IP | ER | K | BB | H | HR | Pitches |
|---|---|---|---|---|---|---|---|
| 2026-08-25 | 4.0 | 1 | 5 | 3 | 3 | 1 | 75 |
| 2026-08-30 | 5.0 | 2 | 5 | 2 | 5 | 1 | 74 |
| 2026-09-05 | 4.2 | 3 | 7 | 1 | 8 | 2 | 78 |
| 2026-09-11 | 5.0 | 1 | 5 | 3 | 2 | 1 | 77 |
The run environment, before the starters
Padres have scored 650 runs in 151 games (4.30 per game) with a .709 OPS. Rockies have scored 712 in 151 (4.72) with a .743 OPS. The pitching staffs have allowed 4.19 and 5.80 runs per game.
| Club | Record | R/G | OPS | Staff ERA | Staff WHIP | RA/G |
|---|---|---|---|---|---|---|
| Padres | 82–69 | 4.30 | .709 | 3.96 | 1.29 | 4.19 |
| Rockies | 56–95 | 4.72 | .743 | 5.57 | 1.53 | 5.80 |
Reassembling the buckets
Robbie Ray averages 5.58 innings per start. Mason Adams averages 4.67. 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 (Robbie Ray) | 5.58 | 3.57 | 3.42 | 3.96 | 3.72 |
| Rockies (Mason Adams) | 4.67 | 3.38 | 4.33 | 5.57 | 4.43 |
| Combined | 8.15 |
A combined 8.15 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 5.58 and 4.67 innings.
The position
San Diego Padres ML at -162, 2 units. A price of -162 implies a 61.8% break-even. Grade it against this published number. If a listed starter is scratched, the play is void.
- San Diego Padres ML -162 · 2u
Who is on the mound?
Robbie Ray for Padres. Mason Adams 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. Robbie Ray at 7.7 points of K−BB separation versus Mason Adams at 16.9 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.