Expert Analysis
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Published by Ben Gale
August 26, 2026
Updated 45 days ago
9:40 PM
The Cubs enter as a steep -650 moneyline favorite, reflecting their far superior season numbers and market confidence.
The Cubs lead with 691 runs scored and a +122 run differential, ranking well above Arizona’s modest +2 and 598 runs.
Arizona’s 38-29 home record is solid, but their ATS mark at Chase Field (16-31) highlights a lack of performance against strong opponents.
Total set at 7.5 runs, but under is heavily juiced, mirroring the Cubs' 37-50-4 season O/U record and stronger pitching.
This is the premier pick. With a 76-56 record and +122 run differential, Chicago's win probability dwarfs Arizona’s. Don’t overthink the clear favorite.
Chicago's offense paces nearly a full run better per game than Arizona (5.23 vs 4.53). The Cubs have the power bats and pitching to cover against a D-backs team that’s sub-.500 ATS at home.
Market has steamed the under (O/U 7.5 with Under -490), and the Cubs unders hit in 57% of games (37 overs, 50 unders, 4 pushes). Both teams have reliable arms. Consider a tight-scoring affair.
You want the facts that matter. Let’s start with the number: 691. That’s how many runs the Chicago Cubs have tallied this season—top five in MLB, and exactly 93 more than the Arizona Diamondbacks. Add a +122 run differential vs Arizona’s margin of just +2, and you see fast why the market lines up so decisively on the road side for this one.
Oddsmakers aren’t leaving you much room for doubt either. Chicago sits a monster favorite at -650, the type of price you only see when all the predictive data points the same way. Arizona is solid, but not at the Cubs’ level—and every angle of this matchup confirms it.
| Key Stat | Chicago Cubs | Arizona Diamondbacks |
|---|---|---|
| Runs Scored | 691 | 598 |
| Run Differential | +122 | +2 |
| Record | 76-56 | 69-63 |
| Team OPS | 0.763 | 0.716 |
| Opponent Batting Avg | 0.243 | 0.253 |
| Team ERA | 4.09 | 4.21 |
When you compare these teams by the numbers, there’s no contest. Chicago is scoring more, hitting for extra bases more often, and keeping opponents’ bats quieter. Arizona’s pitching staff is league average, but the Cubs simply overpower with volume—more runs, higher OPS, and fewer hits allowed to the opposition.
Chicago Cubs: Porter Hodge, Cade Horton, Matt Shaw, Hoby Milner, Ben Brown, Riley Martin, Dansby Swanson
Arizona Diamondbacks: Ryne Nelson, Hunter Harvey, Zac Gallen, Tommy Troy, Lourdes Gurriel Jr., Phil Maton, Gavin Hollowell, Ryan Thompson, Edward Cabrera, Ketel Marte, Michael Soroka, Jordan Lawlar
The Cubs are plating 5.23 runs per game and have cranked out 176 home runs across 132 games. Arizona’s arms hold a serviceable 4.21 ERA, but they’re not holding up against elite lineups—and the Cubs fit that criteria all season. With key Arizona starters on the IL (Gallen, etc.), expect another strong showing from this offense.
While Arizona has some speed and balance (35 triples, 91 steals), their run production is league average. Chicago’s staff allows a .243 opponent batting average and the bullpen’s lower WHIP (1.25) casts doubt on Arizona’s ability to push across runs late. Edge to Chicago.
Arizona is a solid 38-29 at Chase Field, but their awful ATS home record (16-31) signals struggles as an underdog. Meanwhile, the Cubs are 38-29 on the road—mirroring their home form. They travel well, and it’s reflected in the market rating.
21+ only. Gambling problem? Call 1-800-GAMBLER. For entertainment purposes only.
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3+ Years Experience
Over the last 3 years Ben has helped build The Picks up, with a love of US sport he has focussed on NBA and NFL – though at 6″4 it’s no surprise that his real love is the NBA, and he’s developing a reputation within the team of being able to offer real insights into NBA stats.
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