Looking for today’s Diamondbacks vs. Cardinals betting splits? Below you’ll find the latest DraftKings Sportsbook betting percentages, Moneyline, Run Line and total splits, plus where the public is betting, where larger wagers may indicate sharp money, and key matchup stats before first pitch.
Diamondbacks vs. Cardinals Odds
| Market | Side | Odds |
|---|---|---|
| Moneyline | ARI Diamondbacks | −107 |
| Moneyline | STL Cardinals | −112 |
| Run Line | ARI Diamondbacks +1.5 | −175 |
| Run Line | STL Cardinals -1.5 | +144 |
| Total | Over 9 | −114 |
| Total | Under 9 | −105 |
This is essentially a pick’em, with St. Louis the marginal road favorite at −112 and Arizona at −107 at home. The O/U 9 is juiced to the over at −114, and the betting splits suggest the market expects even more offense than that number implies.
DraftKings Betting Splits
| Market | Side | Handle % | Bets % |
|---|---|---|---|
| Moneyline | ARI Diamondbacks | 49% | 38% |
| Moneyline | STL Cardinals | 51% | 62% |
| Run Line | ARI Diamondbacks +1.5 | 7% | 69% |
| Run Line | STL Cardinals -1.5 | 93% | 31% |
| Total | Over 9 | 98% | 50% |
| Total | Under 9 | 2% | 50% |
Public Betting Trends
The Moneyline is nearly dead even by handle (51% STL / 49% ARI) despite 62% of tickets landing on St. Louis. That 13-point gap between ticket and money percentage tells us larger bettors are finding value on Arizona at −107. The public is comfortably backing the Cardinals as a slight road favorite, but sharp money has pushed handle back to equilibrium, a textbook signal that informed bettors see the home side as fairly priced or undervalued.
The Run Line is dramatically one-sided. A staggering 93% of the handle is on St. Louis -1.5 at +144, despite only 31% of tickets choosing that side. The public overwhelmingly prefers Arizona +1.5 (69% of tickets) as a safety play, but big-money bettors are emphatically backing the Cardinals to win by 2 or more. This 62-point divergence between tickets and handle is among the widest Run Line splits on the slate, indicating sharp confidence in a comfortable St. Louis victory if they win at all.
The total tells the most emphatic story. With tickets split perfectly at 50/50, an extraordinary 98% of handle is on Over 9. This is one of the most extreme total handle concentrations you’ll find anywhere. Sharp bettors are unanimously loading the over despite the already-juiced −114 price, likely targeting Kelly’s 5.38 ERA and 1.92 HR/9 in a game where even the 9-run total may not be high enough for what they expect.
Diamondbacks vs. Cardinals Stats
Team Batting Stats
| Stat | ARI Diamondbacks | STL Cardinals |
|---|---|---|
| AVG | .237 | .242 |
| OBP | .307 | .318 |
| SLG | .384 | .390 |
| ISO | .147 | .148 |
| OPS | .691 | .708 |
| K% | 19.6% | 20.5% |
Starting Pitcher Stats
| Stat | Merrill Kelly (ARI) | Michael McGreevy (STL) |
|---|---|---|
| Record | 7-8 | 4-7 |
| ERA | 5.38 | 3.01 |
| WHIP | 1.51 | 1.10 |
| FIP | 5.90 | 4.14 |
| xFIP | 5.15 | 4.06 |
| WAR | −0.59 | 1.22 |
| K% | 14.4% | 16.5% |
| BB% | 8.8% | 5.7% |
| HR/9 | 1.92 | 1.15 |
Key Matchup Numbers
- Pitching Mismatch: McGreevy has been one of the NL’s steadiest starters: 3.01 ERA, 1.10 WHIP, 12 quality starts in 18 outings, and a disciplined 5.7% walk rate. Kelly is the opposite: a 5.38 ERA, 1.51 WHIP, negative WAR (−0.59), and a league-worst 1.92 HR/9 that makes him a liability in any run-scoring environment.
- McGreevy’s Hidden Risk: Despite the pristine ERA, McGreevy’s 4.14 FIP and 4.06 xFIP suggest significant overperformance. His 16.5% K rate is one of the lowest among qualified starters, meaning he’s heavily reliant on weak contact and defense. Arizona’s low K rate (19.6%, best in today’s matchup) means the D-backs put the ball in play consistently, which could stress McGreevy’s contact-management approach.
- Cardinals Road Power: St. Louis boasts an impressive road lineup: Jordan Walker (.926 OPS, 13 HR), Ivan Herrera (.899 OPS, 5 HR), Alec Burleson (.878 OPS, 9 HR), and JJ Wetherholt (.871 OPS, 7 HR) have all thrived away from home. That quartet facing Kelly’s 1.92 HR/9 is the primary engine behind the 93% Run Line handle.
- Arizona’s Injuries: The Diamondbacks are devastated: Burnes, Gallen, Nelson, Walston, and Mena are all out from the rotation (explaining Kelly’s continued presence), plus Lawlar and Troy are sidelined from the lineup. Arizona’s 27-20 home record has been sustained largely by Corbin Carroll (.941 OPS at home) and Ketel Marte (.845 OPS).
- Momentum Context: Arizona has won 4 straight and is 6-4 in the last 10, riding momentum despite the injury devastation. St. Louis (50-45) just lost and is 4-6 recently, but their 24-19 road record and superior overall talent level keep them favored.
The 98% over handle is the headline: with tickets perfectly split at 50/50, every big-money bettor in the market expects runs. Kelly’s 1.92 HR/9 facing four Cardinals road bats with OPS above .870 is the primary catalyst, and McGreevy’s suppressed ERA (3.01 vs. 4.14 FIP) adds regression risk from the other side. The Moneyline handle equilibrium (51/49) despite 62% of public tickets on St. Louis suggests Arizona’s 4-game win streak and home-field advantage (27-20) are being respected by sharps, even as the Run Line handle (93% STL) says that if the Cardinals win, it should be convincingly given the pitching gap.
Betting Splits Summary
| Category | Edge |
|---|---|
| Public Betting (ML) | STL Cardinals (62% bets) |
| Money Handle (ML) | Nearly even (51% STL / 49% ARI) |
| Run Line Handle | STL Cardinals -1.5 (93%) |
| Total Handle | Over 9 (98%) |
| Biggest Split | Total handle: 98% Over vs. 50% tickets |
FAQs
What are MLB betting splits?
MLB betting splits show the percentage of bets (tickets) and money (handle) on each side of a market. They help identify which side the general public favors and where sharper bettors may be positioned.
What is the difference between bets and handle?
Bets refer to the number of individual wagers placed, while handle is the total dollar amount wagered. A gap between the two can indicate that larger, often sharper, bettors are on one side while the general public favors the other.
What is sharp money?
Sharp money refers to wagers placed by professional or highly informed bettors. It’s often identified when the handle percentage significantly exceeds the bet percentage on a given side, or when line movement contradicts public betting trends.
Should you follow betting splits?
Betting splits are one tool among many. They work best as confirmation alongside your own analysis. Following handle over ticket count tends to be more informative, and splits are most useful when combined with line movement data.
How often do DraftKings betting splits update?
DraftKings betting splits update approximately every two minutes, giving you a near-real-time look at how public money and ticket counts are shifting as the game approaches.
