The Arizona Diamondbacks host the New York Yankees on September 19, 2026. First pitch from Chase Field is scheduled for 8:10 p.m. EDT. The game will be broadcast on YES.
The Yankees are favored by -145 on the moneyline and by -1.5 on the run line. The Diamondbacks are +120 on the moneyline and +1.5 on the run line. The total is set at 7.5 runs.
Find our MLB picks and Yankees vs Diamondbacks prediction below, as well as probable pitchers, weather report, and more.
Yankees vs Diamondbacks Prediction
- Yankees vs Diamondbacks Pick: Over 7.5 (+102, FanDuel)
Our Yankees vs Diamondbacks best bet is the Over. Make sure to find the best odds by checking our live MLB odds page and be sure to download the Action Network app for more picks and analysis
Yankees vs Diamondbacks Odds
| Yankees Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-1.5 +120 | 7.5 104o / -128u | -138 |
| Diamondbacks Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+1.5 -144 | 7.5 104o / -128u | +118 |
- Yankees vs Diamondbacks moneyline: Yankees -145, Diamondbacks +120
- Yankees vs Diamondbacks over/under: 7.5 (+102o / -123u)
- Yankees vs Diamondbacks spread: Yankees -1.5 (+118), Diamondbacks +1.5 (-144)
Yankees vs Diamondbacks Probable Pitchers
| Cam Schlittler (RHP) | Stat | Brandon Pfaadt (RHP) |
|---|---|---|
| 14-6 | W-L | 7-3 |
| 5.9 | fWAR (FanGraphs) | 1.8 |
| 1.95 | ERA / xERA | 3.77/3.87 |
| 2.57/2.83 | FIP / xFIP | 4.06/4.35 |
| 25.5 | K-BB% | 10.7 |
| 42.8 | GB% | 45.3 |
| .250 | BABIP | .268 |
| 113 | Stuff+ | 95 |
| 103 | Location+ | 105 |
Yankees vs Diamondbacks MLB Betting Preview
New York is locked into a playoff spot and playing out the string of the regular season, while Arizona has been officially eliminated from postseason contention and is simply auditioning pieces for next year.
Despite that motivation gap, Arizona has actually held its own lately, hitting well behind a red-hot Nolan Arenado, though the Diamondbacks have gone just 5-5 over their last 10 games and were outscored across their last three.
New York counters with Cam Schlittler on the mound, while Arizona turns to Brandon Pfaadt, who's making just his second start back this season after an injury-shortened year — he's posted a rough 5.87 ERA and 1.17 WHIP across only 7.2 innings, a small sample that nonetheless points to a pitcher still finding his rhythm.
The total sits at a modest 7.5, a number that Chase Field's park factor (0.97, a slight pitcher lean with the retractable roof) helps explain at first glance.
Yankees vs Diamondbacks Pick, Betting Analysis
There's a real case for the over here, though it's worth being straightforward about a couple of pieces of the underlying system logic that don't cleanly apply to tonight's specific matchup.
Chase Field's dry desert air is often cited as a boost to offense, but the stadium's retractable roof is typically closed for September night games specifically because of Phoenix heat, which climate-controls the playing environment and meaningfully reduces the influence of that dry air on batted-ball carry — a real complication for that part of the reasoning.
Likewise, MLB has capped active rosters at 28 players since 2020 rather than allowing the old unlimited September call-ups, so the "roster expansion drives bullpen volatility" idea isn't quite the loose, unregulated bullpen environment it once was, even if teams still lean on fresher relief arms late in the year.
What does hold up is the modest total itself measured against what's actually on the mound. Pfaadt's early-return numbers are shaky, and Arizona's bullpen, worn down by a long, ultimately fruitless season, isn't the freshest unit to lean on if he can't work deep into the game.
New York's lineup has been one of the most dangerous in baseball all year, and a Diamondbacks team playing without postseason stakes doesn't carry the same urgency on the defensive and bullpen-management side that a playoff-motivated club would in October.
Between an unproven starter working back from injury, a taxed Arizona bullpen, and a Yankees offense that doesn't need much of an opening to do damage, the total looks conservative relative to how this game could actually play out.
Pick: Over 7.5
